bug8brtus4 bug8brtus4
  • 14-01-2021
  • Chemistry
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What is the molarity of a solution in which 0.321 g of calcium chloride is dissolved in 1.45 L water?

Respuesta :

Neetoo
Neetoo Neetoo
  • 16-01-2021

Answer:

Molarity = 0.002 M

Explanation:

Given data:

Mass of calcium chloride = 0.321 g

Volume of water = 1.45 L

Molarity of solution = ?

Solution:

Molarity = number of moles / volume in litter.

We will calculate the number of moles of calcium chloride first.

Number of moles = mass/molar mass

Number of moles = 0.321 g/ 110.98 g/mol

Number of moles = 0.003 mol

Molarity:

Molarity = 0.003 mol / 1.45 L

Molarity = 0.002 M

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