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calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl2 (aq) solution. the net ionic equation is Cu^2+ + H2S (g) ---------> CuS (s) + 2H^+

and

what volume of 4.40 M H2SO4 solution is needed to react exactly with 100 g Al?

Al + H2SO4 ------> Al2(SO4)3 + H2

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