10. Calculate the [H⁺ ] of a 1.0 L solution that contains 0.50 M NH3 and 0.80 M NH4Cl. Then, calculate the [H⁺ ] of the solution after the addition of 0.20 mole of gaseous HCl?
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and 0.80 M NH4Cl. Then, calculate the [H⁺ ] of the solution after the addition of 0.20 mole of gaseous HCl?