mass borate salt (molar mass) → moles borate salt (mol-to-mol ratio) → mol B (mol-to-mol ratio) → mol B5H9 (molar mass) → mass B5H9
Hydrolysis of the compound B5H9 forms boric acid, H3BO3. Fusion of boric acid with sodium oxide forms a borate salt, Na2B4O7.
Without writing complete equations, find the mass (in grams) of B5H9 required to form 152 g of the borate salt by this reaction sequence.
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