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To find the % by mass of a compound in a given sample.

Dissolving 3.00 g of an impure sample of calcium carbonate in hydrochloric acid produced 0.656 L of carbon dioxide (measured at 20degrees C and 792mm/Hg). find out the percent by mass of calcium carbonate in the sample. State any assumptions.

• Category:- Chemistry
• Reference No.:- M919083

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