A sample of zinc metal reacts completely with an excess of hydrochloric acid: Zn(s) + 2HCl(aq)
Question:
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
The hydrogen gas produced is collected over water at 25.0°C using an arrangement similar to that shown in Figure 5.15. The volume of the gas is 7.80 L, and the pressure is 0.980 atm. Calculate the amount of zinc metal in grams consumed in the reaction. (Vapor pressure of water at 25°C 5 23.8 mmHg.)
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Strategy To solve for moles of H 2 generated we must first calculat...View the full answer
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