the pH of rain water collected from two cities A and B was found to be 6 and 5 respectively water of which city is more acidic? find out the ratio of hydrogen ion concentration in the two samples of rain water
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The power of H+ ion concentration is pH. it is calculated by taking the log of hydrogen ion concentration. For solutions normally used in laboratories, it gives a negative value. To make it a positive value pH is -log H+ ion concentration. Water is neutral and has 10^-7 H+ ion concentration. -log 10^-7 = 7. Water is neither acidic nor basic, neutral. Below 7 pH indicates acidic and above 7 pH indicates basic. The pH scale goes from 0 to 14. This and Ms.Martinez's explanation shall be enough for now.
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