Zinc reacts with aqueous sulfuric acid to form hydrogen gas:
In an experiment, 225 mL of wet H2 is collected over water at 27 °C and a barometric pressure of 748 torr. How many grams of Zn have been consumed? The vapor pressure of water at 27 °C is
26) 74 torr.
A) 567
B) 4.79 × 106
C) 4.31 × 105
D) 0.567
E) 431
Correct Answer:
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