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MrH2CO3) = Mr(H2SO3)= Mr(HCl)​

Răspuns :

Răspuns:

MH2CO3 =2×1+12+3×16=62g/mol

MH2SO3 =2×1+32+3×16=82g/mol

MHCl=1+35,5=36,5g/mol.