Tamrantula Tamrantula

20-05-2017
Chemistry

contestada

how many grams hydrogen in 4.5 mol H2SO4

Respuesta :

kaikaiA1 kaikaiA1

21-05-2017

H2SO4 ---> 2H^+ + SO4^2-

Hence n H+ = 9 mols

Mass of H = nM = (9*1) = 9g

Alternately

mass of H2SO4= nM= 4.5*98= 441

Mass of H= mass h2so4 * molar mass of H/molar mass of h2so4
Mass of H= 441 * 2/98 = 9g

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