Calculate the molarity of a 200 mL HCl solution if the solution contains 5.43 grams of...

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Answer 1

Answer #1

Answer:

Given mass of HCl=5.43 g and molar mass=36.46 g/mol

Then moles of HCl=mass/molar mass=5.43 g/36.46 g/mol

moles of HCl=0.1489 mol.

Given volume of solution=200 mL=0.2 L ( Since 1L=1000ml)

Therefor molarity of HCl=moles HCl/Volume

Molarity=0.1489 mol/0.2 L=0.745 mol/L

Molarity of HCl=0.745 M.

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Answer 2

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