A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution: After...
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A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution: {eq}Mg(s) + 2 HCl(aq) \rightarrow MgCl_2(aq) + H_2(g) {/eq}
After 1.27 g of the impure metal was treated with 0.100 L of 0.768 M HCl, 0.0125 mol HCl remained. Assuming the impurities do not react, what is the mass % of Mg in the sample?
Reactions of Acids with Metals
Many metals in their elemental state react with inorganic acids to form hydrogen gas and the salt formed from the cation of the metal and the anion of the acid. The reaction is a reduction of hydrogen coupled with oxidation of the metal.
Answer and Explanation: 1
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View this answerMagnesium metal reacts with HCl to form hydrogen gas according to the following equation:
{eq}Mg(s)+2HCl(aq)\rightarrow...
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Reactions of Acids: Metals, Carbonates & Hydroxides
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