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10 May, 12:51

How many moles of strontium chloride are included in 20 mL of 0.2 M strontium

chloride?

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Answers (1)
  1. 10 May, 13:16
    0
    Number of moles of strontium chloride = 0.004 mol

    Explanation:

    Given dа ta:

    Molarity = 0.2 M

    Volume = 20 mL

    Moles of strontium chloride = ?

    Solution;

    Formula:

    Molarity = number of moles of solute / volume in litter

    Now we will convert the volume into litter.

    20 mL/1000mL * 1 L

    0.02 L

    Now we will put the values in formula:

    Molarity = number of moles of solute / volume in litter

    Number of moles of solute = Molarity * volume in litter

    Number of moles of solute = 0.2 mol/L * 0.02 L

    Number of moles of solute = 0.004 mol
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