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17 January, 10:23

1. What is the gram formula mass of Ca (OH),?

(1) 29g

(3) 56 g

(2) 34 9

(4) 74 g

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Answers (1)
  1. 17 January, 13:03
    0
    Ca=40 and 2 (OH) = 34. Then the answer is 74 grams per mol

    Explanation:

    Ca = 40 gram

    O = 16 gram

    H=1 gram

    OH=17 gram

    1 Ca = 40 gram

    2 OH=2*17 gram

    Sum these up = 74 grams per mole
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