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1) How many moles are there in a 3.967 sample of NaOH? 2) After balancing the...

1) How many moles are there in a 3.967 sample of NaOH?

2) After balancing the following equation, what would be the coefficient that would be needed for Mg3(PO4)2?

Mg + H3PO4 → Mg3(PO4)2 + H2

3)According to the following balanced chemical equation, how many moles of iron(III)chloride will be produced from 3.8 moles of iron?

2Fe(s) + 3Cl2(g) → 2FeCl3(s)

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