Determine the amount in grams of KCl that exists in 20.3 g of a solution that contains 1.14 % KCl by mass 1.14 g KCl

Answers

Answer 1

The mass of KCl that exists in 20.3 g of solution containing 1.14% by mass of KCl is 0.23 g

From the question given above, the following data were obtained:

Mass of solution = 20.3 g

Percentage of KCl = 1.14% = 1.14 / 100 = 0.0114

Mass of KCl =?

[tex]Percentage = \frac{mass of solute}{mass of solution} * 100\\\\0.0114 = \frac{mass of KCl}{20.3} \\\\[/tex]

Cross multiply

Mass of KCl = 0.0114 × 20.3

Mass of KCl = 0.23 g

Therefore, the mass of KCl in the solution is 0.23 g

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Related Questions

Identify the movements of the glenohumeral joint that occur with contraction of the infraspinatus and teres minor.

Answers

Answer: adduction of the arm

lateral rotation of the arm

Explanation:

What type of substance is magnesium carbonate?

Answers

magnesium salt is the type of substance

Answer:

MgCO 3 is an inorganic salt with chemical name Magnesium Carbonate. It is also called Magnesite or Hydromagnesite or Barringtonite. Hydrated forms of magnesite such as di, tri, tetrahydrates are present as minerals. It acts as a fertilizer and as an antacid.

Help please :) with this

Answers

Answer:

option C 5

hope this answer helps you dear! take care

Answer:

5, the coefficient is the number right before the variable. The ² and ³ (even though Mines on top and yours is on the bottom) are not coefficient because. . . well it just doesn't make sense.

explain why water wasn't used in crackers?​

Answers

So they won’t be soggy?

Indicate how CaCO3 neutralizes soil acidity. In other words, indicate how calcium carbonate chemically removes hydrogen from soil solution.

Answers

Answer:

Soil acidity can be corrected easily by liming the soil, or adding basic materials to neutralize the acid present. ... As lime dissolves in the soil, calcium (Ca) moves to the surface of soil particles, replacing the acidity. The acidity reacts with the carbonate (CO3) to form carbon dioxide (CO2) and water (H2O).

Explanation:

outlines four uses of fat and oil​

Answers

Answer :

Fats and oils are used throughout the world for both food applications and industrial uses. They are consumed in butter, shortening, margarine, salad oils, and cooking oils, as well as in animal feeds, fatty acids, soaps, personal care products, biodiesel, paints (made from alkyd resins), lubricants, and greases.

Answer:Insulating and ProtectingRegulating and Signaling. Aiding Absorption and Increasing Bioavailability.Contributing to the Smell, Taste, and Satiety of Foods.

To prepare 250.0 mL of 2.5 M KCl you will need to dilute _____ mL of 8.0 M KCl solution to a volume of 250.0 mL.

Answers

Answer:

78.125ml

Explanation:

Number of moles in 250ml of 2.5M KCl is (250÷1000)litres×2.5M so we divide these moles by 8M. The answer gotten will be in litres so multiply by 1000 to get it in ml

How are elements in the same family in the periodic table alike?

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choice is ~ C

They have the same number of electron shells~

Explanation:

option C is correct.....

Diamond has a macromolecular structure and iodine is a simple covalent molecule. Use your knowledge of structure and bonding to explain why diamond has a higher melting point than iodine.

Answers

Answer:

Diamond is covalently bonded and has a giant covalent structure. Covalent bonds require lots of energy to break as they are strong so diamond has the highest melting point. Iodine has only weak intermolecular forces (instantaneous dipole-dipole interactions or London forces) whereas hydrogen fluoride has a permanent dipole and can hydrogen bond (as well as having London forces).

Explanation:

hope to help

some uses of sodium bicarbonate​

Answers

Answer:

Sodium bicarbonate is an antacid used to relieve heartburn and acid indigestion. Your doctor also may prescribe sodium bicarbonate to make your blood or urine less acidic in certain conditions. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

acetone
56
turpentine
160
propane
-43
glycerin
290
In which substance are the electrostatic forces between molecules the strongest?
(1 point)
- propane
- turpentine
- glycerin
- acetone

Answers

The electrostatic forces between molecules of glycerin are the strongest.

We have 4 compounds with their respective boiling points.

acetone 56 °C turpentine 160 °C propane -43 °C glycerin 290 °C

The boiling point is the temperature at which a substance passes from the liquid state to the gaseous state.

A high boiling point indicates that the intermolecular forces are strong, so more energy is needed to separate the molecules in the vaporization.

Thus, glycerin, with the highest boiling point, is expected to have the strongest electrostatic forces between their molecules.

The electrostatic forces between molecules of glycerin are the strongest.

Learn more: https://brainly.com/question/2153588

Answer:

Glycerin

Explanation:

What is scalar quantity ?​

Answers

Answer:

they physical quantities that are uneffected by changes to a vector space basis

Jason and Sheldon are neighbors who work for the same accounting firm. They leave the office at the same time. After t seconds, Jason's distance from the office in meters is given as 4 more than 3 times t, while Sheldon's distance from the office is 6 more than 2 times t.
The function that represents the total distance d(t) that Jason and Sheldon cover together in t seconds is given by d(t) =
. In 7 seconds, Jason and Sheldon together cover a distance of
meters.

Answers

Tbh I don’t even know if this is the right answer but it’s 74 seconds

The most abundant element in the earth's crust is ____________ .​

Answers

Answer:

Hey mate.....

Explanation:

This is ur answer....

Oxygen

Hope it helps!

Brainliest pls!

Follow me! :D

WILL MARK BRAINLIEST IF YOU ANSWER EVERY QUESTION!!!!

Answers

Answer:

The answer for number one is .A

The answer for number two is heat rises

Explanation:

Hydrogen fusion creates _____ and lots of energy.

Answers

Explanation:

Fusion processes require fuel and a confined environment with sufficient temperature, pressure, and confinement time to create a plasma in which fusion can occur. The combination of these figures that results in a power-producing system is known as the Lawson criterion. In stars, the most common fuel is hydrogen, and gravity provides extremely long confinement times that reach the conditions needed for fusion energy production. Proposed fusion reactors generally use hydrogen isotopes such as deuterium and tritium (and especially a mixture of the two), which react more easily than hydrogen to allow them to reach the Lawson criterion requirements with less extreme conditions. Most designs aim to heat their fuel to around 100 million degrees, which presents a major challenge in producing a successful design.

As a source of power, nuclear fusion is expected to have many advantages over fission. These include reduced radioactivity in operation and little high-level nuclear waste, ample fuel supplies, and increased safety. However, the necessary combination of temperature, pressure, and duration has proven to be difficult to produce in a practical and economical manner. Research into fusion reactors began in the 1940s, but to date, no design has produced more fusion power output than the electrical power input.[1] A second issue that affects common reactions is managing neutrons that are released during the reaction, which over time degrade many common materials used within the reaction chamber.

Fusion researchers have investigated various confinement concepts. The early emphasis was on three main systems: z-pinch, stellarator, and magnetic mirror. The current leading designs are the tokamak and inertial confinement (ICF) by laser. Both designs are under research at very large scales, most notably the ITER tokamak in

The primary role of coenzyme A in aerobic respiration is to



A. speed up the citric acid cycle.
B. transport electrons to FAD
C. kick off the transport electron cascade.
D. activate acetyl CoA and other molecules in the citric acid cycle.​

Answers

Answer:

I could be wrong but i believe the answer is D. It was not B when i took the test

Explanation:

how many moles of s atoms are in 1 mol of CaSO4

Answers

I think u asked for the atoms of sulfur? its 4..

Explanation:

calcium = 4

sulfur = 4

oxygen = 4

I hope this is correct

How many Moles of glucose are produced from 12 moles of CO2 in photosynthesis?

Answers

Answer:

2 MOLES OF GLUCOSE

Explanation:

How many Moles of glucose are produced from 12 moles of CO2 in photosynthesis?

6CO2 +6H20-------------->C6H12O6 -+ 6O20

(IN THE PRESENCE OF CHLOROPHYLL AND UV FROM )

)

6 MOLES OF CO2 MAKE 1 MOLE OF GLUCOSE

12 MOLES THEN MAKE 2 MOLES OF GLUCOSE

In the photosynthesis process, plants can use 12 moles of carbon dioxide to form 2 moles of glucose.

What is photosynthesis?

It is the process by which green plants and some other organisms convert light energy into chemical energy.

Let's consider the balanced equation for the synthesis of glucose through photosynthesis.

6 CO₂ + 6 H₂O ⇒ C₆H₁₂O₆ + 6 O₂

The molar ratio of CO₂ to C₆H₁₂O₆ is 6:1. The moles of glucose formed from 12 moles of carbon dioxide are:

12 mol CO₂  (1 mol C₆H₁₂O₆/6 mol CO₂) = 2 mol C₆H₁₂O₆

In the photosynthesis process, plants can use 12 moles of carbon dioxide to form 2 moles of glucose.

Learn more about photosynthesis here: https://brainly.com/question/3529377

What is the difference between melting and burning a substance? Is mass conserved in either process?

Answers

Answer:

Explanation:

First Question:

Melting is a physical process that involves the phase transition of a substance from its solid to its liquid state. Burning, on the other hand, is a chemical process that involves a substance being broken down and changed into different substances. It's still the same substance, though: water.

Second Question:

Mass is therefore never conserved because a little of it turns into energy (or a little energy turns into mass) in every reaction. But mass+energy is always conserved. Energy cannot be created out of anything.

Which of the following two combinations are correct?

Answers

Answer:

D

Explanation:

Copper has a more positive reduction potential than Hydrogen and is below Hydrogen in the reactivity series. So it can't displace H+ from diluted acids. Therefore Cu doesn't form Cu salt and a gas

Fe, Zn and Mg are above Hydrogen in the electrochemical series and can displace Hydrogen as follows

Fe(s) + 2HCl(aq) ----> FeCl2 +H2 (g)

Mg(s) + 2HCl(aq) ----> MgCl2 (aq) +H2 (g)

So iii is wrong

Zn(s) +2HCl(aq) ----> ZnCl2(aq) +H2 (g)

What would be the atomic number of this atom?

Answers

Answer:

1 would be the answer

protons = atomic # I think

Answer:

hydrogen

Explanation:

hydrogen has the atomic number of 1 which means that hydrogen has one proton and is neutral so it has one electron as well.

Can anyone help me with this question?

Answers

sure i can help

so u have to ask someone else

What is the balanced form of the chemical equation shown below?
C6H1206(s) + O2(g) → H20(1) + CO2(g)
-
+
A. C6H1206(s) + O2(g) → H2O(1) + CO2(9)
B. C6H1206(s) + 602(9) — 6H20() + 6C02(9)
C. CH2O(s) + O2(g) → H20(1) + CO2(9)
D. CH1206(s) + O2(g) – 12H20(1) + 6C02(9)

Answers

Answer:

B. C6H1206(s) + 602(9) → 6H20(l) + 6C02(9)

Explanation:

You can see that it's balanced;

C6H1206(s) + 602(g)           →            6H20(l) + 6C02(g)

 C  ⇒ 6                                                        C ⇒ 6

 H  ⇒ 12                                                       H ⇒ 6 x 2 = 12

 O  ⇒ 6 + (6 x 2) = 18                                  O ⇒ 6 + (6 x 2) = 18

plzz help me cant remember the parts of the flower.

Answers

A is the petal and b is the leaf. I think.

If 22.5 L of nitrogen at 748.3 mm Hg is changed to a pressure of 1294.6 mm Hg at constant
temperature. What is the new volume?

Answers

Answer:

it down their!!!!!!!!!!1

Explanation:

The new volume  

=

23.2

L

A 1.8 mole sample of a compound weighs 195 g and is found to be 11.18% H and 88.82% C. What is the molecular formula for the compound?

Answers

Answer:

C8H12

Explanation:

First find the molar mass

195/1.8 × 1 = 108.3 gmol-1

Then the molecular formula

Mass of C in 1 mole of compound = 88.82×108.3/100

= 96.2 g

Mass of H in 1 mol of.the compound = 108.3×11.18/100 = 12.11 g

Divide the mass by their molar masses to get no. of moles in 108.3 g of compound or 1 mole of compound

Moles of C in one Mole of compound = 96.2g/12 gmol-1 = 8 mol

Moles of H in 1 mole of compound = 12.11g/1 gmol-1 =12 mol

Since we need the molecular formula it's C8H12

Which method of separation is used to separate chemicals from blood? Explain with reason. ​

Answers

machine called a centrifuge spins your blood to separate your red blood cells, platelets and plasma. As the blood is separated, the heavier reds cells sink to the bottom and are given back to you.

OIIIIIIIIIIIIIIII BAAAAKKKKAA​

Answers

Answer:

what is meaning of this.

Answer:

On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States.

Why do we need to build models of molecules to study atomic composition?

Answers

Answer:

for better understanding and visual understanding

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