Gas Law Quiz 2 - Gas Generation Question

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Potassium metal will react with a hydrochloric acid solution to produce hydrogen gas and an aqueous solution of potassium chloride as described below:

    2 K(s)  +  2 H1Cl1 (aq)  -->  1 H2 (g)  +  2 K1Cl1 (aq)

If I collect the hydrogen gas from the above chemical reaction and the hydrogen gas occupied 4.06L at a temperature of 103°C and pressure of 2.41E3 mmHg, how many grams of potassium reacted. Assume all gas was collected, no other chemical reaction occurred and potassium was the limiting reactant.

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Last edited June 14, 2018 9:49 am (diff)