An impure sample of zinc (Zn) is treated with an excess of sulfuric acid (H2SO4) to form
Question:
(a) Write a balanced equation for the reaction.
(b) If 0.0764 g of H2 is obtained from 3.86 g of the sample, calculate the percent purity of the sample.
(c) What assumptions must you make in (b)?
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a Zns H 2 SO 4 aq ZnSO 4 aq H 2 g b We assume that a pure sample would produce the theo...View the full answer
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