what are the word and chemical reaction for the reaction of acids with the following compound 1. Sulphuric acid and Calcium

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If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5