kfaye01
kfaye01 kfaye01
  • 22-11-2019
  • Chemistry
contestada

3. What is the mass of HI used to create 2.50L of a 0.48 M solution of hydroiodic acid?

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Neetoo
Neetoo Neetoo
  • 26-11-2019

Answer:

Mass = 153.48 g

Explanation:

Given data:

Volume of solution = 2.50 L

Molarity = 0.48 M

Mass required = ?

Solution:

Molarity = number of moles / volume in litter

Number of moles = Molarity × volume in litter

Number of moles = 0.48 M  × 2.50 L

Number of moles =  1.2 mol

Mass of HI:

Number of moles = mass/molar mass

Mass = Number of moles × molar mass

Mass = 1.2 mol × 127.9 g/mol

Mass = 153.48 g

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