How many moles of hf are needed to react

Reference no: EM13173312

Na2SiO3 (s) + 8HF (aq) --> H2SiF6 (aq) + 2NaF (aq) + 3H2O (l)

A. How many moles of HF are needed to react with 0.400 mol of Na2SiO3?
B. How many grams of NaF form when 0.580 mol of HF reacts with excess Na2SiO3?
C. How many grams of Na2SiO3 can react with 0.710g of HF?

Reference no: EM13173312

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