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प्रश्न
Find the ratio by mass of the combining elements in the following compounds. (You may use Appendix-III)
MgCl2
उत्तर
MgCl2
Mg(1) : Cl(2)
24 : 35.5 × 2
24 : 71
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Formula of sodium carbonate is ———— and that of ammonium sulphate is ————.
