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14 March, 23:48

A 10.00 ml sample of an aqueous solution of calcium hydroxide is neutralized by 20.00 ml of 0.02000 m hno3 (aq. what is the molarity of the calcium hydroxide solution?

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  1. 14 March, 23:59
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    The chemical reaction would be as follows:

    Ca (OH) 2 + 2HNO3 = Ca (NO3) 2 + 2H2O

    We are given the concentrations and volumes of the substances. We use these values and the relationships to calculate the molarity of the Ca (OH2).

    0.02 mol HNO3 / L (.02 L) (1 mol Ca (OH) 2 / 2 mol HNO3) = 0.0002 mol Ca (OH) 2

    Molarity = 0.0002 / 0.010 = 0.02 M Ca (OH) 2
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