Question: 4. Write each exponential equation in logarithmic form. a. y :7 (1 mark) h. x: as? (1 mark) 5. Write each logarithmic equation in exponential

4. Write each exponential equation in logarithmic form. a. y :7\" (1 mark) h. x: as? (1 mark) 5. Write each logarithmic equation in exponential form. a. y =logx (1 mark) h. y=log5x (1 mark) 6. The pH of a solution can be determined using the formula pH = log[H +], where H + is the hydrogen ion concentration in the solution. a. The hydrogen ion concentration of a solution is 0.012 molr'L. Calculate the pH of the solution, to the nearest tenth. (I mark) h. A baking soda solution has a pH of '13. Algebraically determine the hydrogen ion concentration of this solution. Show all your work and express your answer in scientic notation to the nearest tenth. (2 marks)

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