Hydrochloric Acid Is Widely Used as a Laboratory Reagent in Refining

question 23

Multiple Choice

Hydrochloric acid is widely used as a laboratory reagent in refining ore for the production of tin and tantalum, and as a catalyst in organic reactions. Calculate the number of moles of HCl in 62.85 mL of 0.453 M hydrochloric acid.

• A)28.5 mol
• B)1.04 mol
• C)0.139 mol
• D)0.0285 mol
• E)0.00721 mol

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