Question 16 At a certain temperature, the solubility of copper(l) sulfide is (7.7x10^-18) M. What is the Ksp? Report your answer to 2 sig figs. Note: Your answer is assumed to be reduced to the highest power possible.

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Q: If the pH of seawater is 8.50, what is the [H3O+]?

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Q: find the pH of a 0.20M solution of a weak acid (ka =0.0332). 1.18 0.70 1.09 0.20

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.