Question

To completely react 17g of barium hydroxide, how many grams of hydrochloric acid is needed?
Ba(OH)2 + 2HCl ==> BaCl2 _ 2H2O
mols Ba(OH)2 = grams/molar mass = ?
Using the coefficient sin the balanced equation, convert mols Ba(OH)2 to mols HCl.
Now convert mols HCl to grams. grams = mols HCl x molar mass HCl.

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