Problem: 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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mass borate salt (molar mass)  moles borate salt (mol-to-mol ratio)  mol B (mol-to-mol ratio)  mol B5H9 (molar mass)  mass B5H9


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Problem Details

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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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Stoichiometry concept. You can view video lessons to learn Stoichiometry. Or if you need more Stoichiometry practice, you can also practice Stoichiometry practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Toscano's class at ALBANY.