February 19, 2017

Homework Help: chem

Posted by mel on Friday, November 16, 2007 at 10:10pm.

In 1897 the Swedish explorer Andree tried to reach the North Pole in a balloon. The balloon was filled with hydrogen gas. The hydrogen gas was prepared from iron splints and diluted sulfuric acid. The reaction is given below.
Fe(s) + H2SO4(aq) FeSO4(aq) + H2(g)

The volume of the balloon was 4400 m3 and the loss of hydrogen gas during filling was estimated at 20.%. What mass of iron splints and 87% (by mass) H2SO4 were needed to ensure the complete filling of the balloon? Assume a temperature of 0°C, a pressure of 1.0 atm during filling, and 100% yield.

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