What is the molarity of a sodium carbonate solution containing 32.52 g Na2CO3 dissolved in enough water to make 822 ml of solution?

NEED ASAP PLEASE!!

Answers

Answer 1

The molarity of a Sodium carbonate solution : 0.373 M

Further explanation

Given

32.52 g Na₂CO₃

822 ml of solution = 0.822 L

Required

The molarity

Solution

Molarity shows the number of moles of solute in every 1 liter of solution.

[tex]\large{\boxed {\bold {M ~ = ~ \frac {n} {V}}}[/tex]

mol of solute = mol of Na₂CO₃ :

= mass : MW Na₂CO₃

= 32.52 g : 106 g/mol

= 0.307

Molarity :

= n : V

= 0.307 mol : 0.822 L

= 0.373 M


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