How many more times basic is bleach (pH of 12) than distilled water (neutral pH)?

Answer= 100,000

Can someone explain how to get this answer?

Answer= 100,000

Can someone explain how to get this answer?

2 Answers

pH is the negative logarithm of the hydrogen ion concentration … -log[H+]

neutral pH (water) is 7 … 10^-7 is the dissociation constant

… H2O ⇌ H+ + OH-

a pH of 12 is 5 orders of magnitude from a pH of 7

… 10^(12 – 7) = 10^5 = 100,000

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