Mg+2HCl -----> MgCl2+H2
Asked by mvicky.com | 9th Jul, 2009, 05:44: PM
In the equation one mole of Mg reacts 2 moles of HCl to form 1 mole of H2 .
Therefore moles of Mg can be related to moles of H2 formed.
If one mole H2 is formed from one mole of Mg, then 4 moles of H2 can be formed from 4 moles of Mg.
1mole of Mg contain 6.023 X1023 atoms
Therfore 4 mole of Mg contains 4 X 6.023 X 1023 = 24.092 X 1023 atoms.
Answered by | 10th Jul, 2009, 09:41: AM
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