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To prepare one gram of hydrogen molecules using hydro caloric acid how many grams of zinc should be taken? |
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Answer» Zn + 2 Hcl → Zn cl2+H2 ↑ Gram atomic mass of zinc is = 65 g and Gram molecular mass of Hydrogen = 2 g From the above equation we can under stand that 65 g of zinc gives 2 g of hydrogen molecules. To prepare 1 g of hydrogen molecules we need 32.5 g of zinc. |
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