Chemistry, asked by rajnikushwah764, 8 months ago

how many grams of h2so4 are needed to completly dissolve 3g mgco3.​

Answers

Answered by vinayhulke7
1

Answer:

Dont known bro .......

Answered by Anonymous
1
Molar mass of MgCO
3

is =84.3g
∴ 3g of MgCO
3

=3/84.3mol=0.036mol
The balanced equation is:
H
2

SO
4

+MgCO
3

→MgSO
4

+H
2

CO
3


It is evident that one mole of sulphuric acid is required to dissolve i mole MgCO
3


∴ 0.036 mole of sulphuric acid is required to dissolve 0.036 mole of MgCO
3


or
0.036×98.1=35.5g of sulphuric acid is required.
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