- #1

~angel~

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Sulfuric acid is supplied as a concentrated liquid. A bottle was assayed and found to have a density of 1.84 g/mL and a purity of 97%. The molecular weight of H2SO4 is 98. What is the molarity of this solution?

molarity=moles/volume

moles=mass/mol.weight

moles=1.84/98

moles=1.88*10^-2

assuming the volume is 1mL=0.001L,

molarity=1.88*10^-2/0.001

molarity=18.80 mol/L

since there is 97% purity,

molarity=18.80*0.97

=18.24 mol/L

Is this right? I think I'm wrong, but this was just a guess.

Thanks.