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25-02-2021
Chemistry

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5. How many moles are there in 222.3 grams of Ca(OH)2? (1) 1.5 mol (3) 5.5 mol (2) 3.0 mol (4) 22.3 mol 5

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NusratNigar NusratNigar

25-02-2021

Answer: (2)3.0 mol

Explanation: 222.3g= 222.3/74= 3.0 mol

1mol Ca(OH)2 is 74g

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