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7 June, 12:40

How many moles of LiOH are required to make 4.2 liters of a 0.98 M

solution? Round answer 2 decimal places

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Answers (1)
  1. 7 June, 15:55
    0
    4.12 mol

    Explanation:

    Given dа ta:

    Moles of LiOH required = ?

    Volume of solution = 4.2 L

    Molarity of solution = 0.98 M

    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

    we will calculate the moles from above given formula.

    0.98 M = number of moles / 4.2 L

    0.98 M * 4.2 L = number of moles

    Number of moles = 0.98 M * 4.2 L

    Number of moles = 4.12 mol (M = mol/L)
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