1. On paper, solve the following two problems. You must show all the required work.
a. An 85.00 g sample of tetraethyllead, a gasoline additive, is found to contain 54.44 g lead, 25.26 g
carbon, and 5.30g hydrogen. Find its empirical formula.
b. Determine the molecular formula of a compound with an empirical formula of NH2 and a formula
mass of 32.06 u
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