If you start 20 grams of HCl (hydrochloric acid), how many moles of HCl are used in the equation? *

Answer 1

Hi

Using periodic table you can find molar mass of HCl, which is 36.458 g/mol. This means 1 mol of HCl is 36.458 grams.

So 20 g of HCl is 0.548 mol.

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