Chemistry, asked by sonashikaushalviii, 2 days ago

calculate the mass of sodium carbonate which will have same number of molecules as contained in 12.3g of magnesium sulphate (Mg So4.7H2o)

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Answered by santa19

0

Answer:

7H2O is 24+32+64+7(18)=246 gram. No of moles= 12.3/246=0.05moles. As per the question moles of Na2CO3 is 0.05 moles. Molecular mass of Na2CO3 is 46+12+48=106gram

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