# chemistry

how many gram molecules are present in 4.9g of H2SO4

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1. Do you mean how many grams molecular weights are present in 4.9 g H2SO4? If so, that is just the number of moles.
moles = g/molar mass = 4.9/98 = ??

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2. atomic mass of h+so=9.8

concteration: 4.9*5*98
%1000*1=2.401

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