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1.) If 28.5 grams of zinc oxide and  6.3 grams of water combine to form zinc hydroxide,...

1.) If 28.5 grams of zinc oxide and  6.3 grams of water combine to form zinc hydroxide, how many grams of zinc hydroxide must form?

2.) If 30.8 grams of iron and  8.8 grams of oxygen combine to form iron(II) oxide, how many grams of iron(II) oxide must form?

3.) If 22.1 grams of bromine trifluoride react to form 12.9 grams of bromine, how many grams of fluorine must simultaneously be formed?

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