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21 April, 00:59

How much Sr (OH) 2 • 8 H2O (M = 265.76) is needed to prepare 250.0 ML of solution in which [OH] = 0.100M?

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  1. 21 April, 04:12
    0
    Use the formula

    first step:

    Use the formula

    molarity = mole/liter

    change ml to l

    plug in data

    to get. 1=mole/.25 or. 1M*.25liter

    which =.025 moles

    then divide. 025 moles by two because there are two OH in Sr (OH) 2

    then multiply that by 265.76 (the molar mass of water)

    .0125*265.76

    which is 3.32grams this is your answer
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