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29 November, 20:18

How many grams of calcium are required to free 8

grams of hydrogen gas from hydrochloric acid, HCI?

Ca + 2HCl → CaCl2 + H2

2

grams

+5
Answers (1)
  1. 29 November, 20:55
    0
    Neutralisation

    Explanation:

    no. mole of HCl=8g/1+35.5

    =X

    2 moles of HCl react with 1 mole of Ca

    X/2=mass of Ca/40

    you will get the answer
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