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In the new solution the amount of H2SO4 should still be the same right? That means 300g H2SO4 should be 15%.
300g/15 = 20g/1%85*20=1700.
Quote from: Lackydoo on March 28, 2016, 11:58:27 AMIn the new solution the amount of H2SO4 should still be the same right? That means 300g H2SO4 should be 15%.Yes, that's correct.Quote300g/15 = 20g/1%85*20=1700.But this doesn't make much sense (or rather: the sense it makes is not the one you think it is).What is the mass of the solution of which 15 % is 300g?