What is the gram formula mass of $C a {(O H)}_{2}$ $Ca(OH)_2$ ?

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Answer 1 · 2016-08-23T13:55:28

Ca=40 and 2(OH)=34. Then the answer is 74 grams per mol

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

What is the gram formula mass of Ca(OH)2Ca(OH)_2?