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Anyone I’m really lost
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1 vote
Anyone I’m really lost

Anyone I’m really lost-example-1
User Emad Feiz
by
6.2k points

1 Answer

4 votes

Answer:

The answer is option 3.

Explanation:

You have to substitute H+=2×10^(-9) into the equation of pH :

pH = -log[H+]

H+ = 2×10^(-9)

pH = -log[2×10^-9]

= 8.70 (3s.f)

User Ravitheja
by
6.2k points
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