Molar concentration of 3.58m means there are 3.58m of H2SO4 in 1 kg of solvent (assuming its water).
Mass=molar concentration*molecular weight
Mass (of H2SO4) = 3.58 * 98.079= 351.12 g
Mass of solution= 351.12 (H2SO4) + 1000 (H2O) = 1351 g
Volume = mass / density
Volume = 1351 / 1.200 * 1 = 1125 mL
Molar concentration = mol in L
Molar concentration = 3.58 / 1.125 = 3.18 M
3.18M
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