An acid solution of p H = 6 is diluted 1000 times, the pH of final solution becomes

Question

An acid solution of p H = 6 is diluted 1000 times, the pH of final solution becomes, 6.95, 4, 6, 9

MARKS App · Accepted Answer

p H = 6 , [ H + ] = 1 0 - p H = 1 0 - 6 M When diluted to 1000 times [ H + ] = 1 0 - 6 1 0 - 3 = 1 0 - 9 [ H + ] = [ H + ] a c i d + [ H + ] w a t e r = 1 0 - 9 + 1 0 - 7 p H = - l o g [ H + ] = - l o g [ 1 0 - 9 + 1 0 - 7 ] = 6.95

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