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Determine how many grams of indium perchlorate will be produced if 1.35 g of indium metal...

Determine how many grams of indium perchlorate will be produced if 1.35 g of indium metal completely react with excess perchloric acid. Be sure to carefully balance the equation first.
In(s) + HClO4(aq) ----> In(ClO4)3(aq) + H2(g)
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