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8 November, 13:23

12.0 g NaHSO4 is dissolved in water to make a 2.00 L solution. What is the molarity?

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  1. 8 November, 13:46
    0
    0.045 M

    Explanation:

    Given dа ta:

    Mass of NaHSO₄ = 12 g

    Volume of solution = 2.00 L

    Molarity of solution = ?

    Solution:

    Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

    Formula:

    Molarity = number of moles of solute / L of solution

    Number of moles = 12 g / 120.06 g/mol

    Number of moles = 0.09 mol

    Molarity:

    Molarity = 0.09 mol / 2.00L

    Molarity = 0.045 mol/L

    M = mol/L

    Molarity = 0.045 M
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