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Which of the following best explains why ionic bonds form between ions?

Does the energy in a solid increase or decrease when changing to a liquid?

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

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt