chemistry 101

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How many grams of oxygen are in 40.1 g of calcium hydroxide?

options:


17.3 g
8.64 g
20.1 g
0.541 g
11.2 g

  • chemistry 101 -

    moles in 40.1g Ca(OH)2 = 40.1/molar mass.
    There are 2 moles oxygen atoms per mole of Ca(OH)2.

  • chemistry 101 -

    17.3 g

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