1.

Which mixture of water and H_(2)SO_(4) represents a soltion with a concentration that is closest to 30% by mass H_(2)SO_(4)?

Answer»

30G `H_(2)SO_(4)+100gH_(2)O`
1 MOL `H_(2)SO_(4)+200gH_(2)O`
30 mol `H_(2)SO_(4)+0.70kgH_(2)O`
0.30 mol `H_(2)SO_(4)+0.70molH_(2)O`

Answer :B


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