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6 August, 21:07

Ca (OH) 2 + H2SO4 ⟶2H2O + CaSO4 What volume of 1.45 M Ca (OH) 2 is needed to react with 25.0 moles of H2SO4?

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  1. 6 August, 21:20
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    We need 17.2 L of Ca (OH) 2

    Explanation:

    Step 1: Data given

    Concentration of Ca (OH) 2 = 1.45 M

    Moles of H2SO4 = 25.0 moles

    Step 2: The balanced equation

    Ca (OH) 2 + H2SO4 ⟶2H2O + CaSO4

    Step 3: Calculate moles Ca (OH) 2

    For 1 mol Ca (OH) 2 we need 1 mol H2SO4 to produce 2 moles H2O and 1 mol CaSO4

    For 25.0 moles H2SO4 we'll need 25.0 moles Ca (OH) 2 to produce 50 moles H2O and 25.0 moles CaSO4

    Step 4: Calculate volume of Ca (OH) 2

    Volume Ca (OH) 2 = moles Ca (OH) 2 / concentration Ca (OH) 2

    Volume Ca (OH) 2 = 25.0 moles / 1.45 M

    Volume Ca (OH) 2 = 17.2 L

    We need 17.2 L of Ca (OH) 2
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