What is the molarity of a solution prepared by dissolving 1.56 g of gaseous hcl (molar mass = 36.5 g into enough water to make 2

Question

fenix001 [56]

3 years ago

14

What is the molarity of a solution prepared by dissolving 1.56 g of gaseous hcl (molar mass = 36.5 g into enough water to make 2

6.8 ml of solution?

Chemistry

1 answer:

NARA [144] · Answer 1 · 2022-05-29T16:17:19+03:00

NARA [144]3 years ago

3 0

Molar mass HCl : <span>36.5 g/mol
</span>
number of moles:

n = mass solute / molar mass

n = 1.56 / 36.5

n =0.0427 moles

Volume in liters : 26.8 mL / 1000 => 0.0268 L

therefore:

Molarity = moles solute / volume

Molarity = 0.0427 / 0.0268 => 1.593 M