Commercial concentrated hydrochloric acid has the following specification: Density = 1.2 g/mL; Weight percentage is 37% w/w; Molecular weight of HCl is 36.46 g/mol. If 12.0 mL of conc HCl is added to the reaction, how many moles of HCl have been added? Report your answer to the correct number of significant figures; do not report the units in your answer

Answer:

Regarding significant figures always remember if you divide 4 significant figures by 2 significant figures . Report your answer in 2 significant figures

Because in multiplication and division, the answer should have the same number of significant figures as the term with the fewer number of significant figures

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