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Aleksandr-060686 [28]
3 years ago
12

What is the [ H3O+] of a solution with pH = (8.50x10^0)? enter your answer in scientific notation and with three sig figs.

Chemistry
2 answers:
blagie [28]3 years ago
4 0

Answer:

3.17  x  10^-9

Explanation:

log 3.17 =.5   log 10^-9 =-9  .5+-9=-8.5  =pH 8.5

erastovalidia [21]3 years ago
3 0

Answer:

[H₃O⁺] = 3.162 × 10⁻⁹ moles / liter

Explanation:

The pH is calculated with the formula:

pH = -lg[H₃O⁺]

From here the concentration of hydronium ion (H₃O⁺) will be:

[H₃O⁺] = 10^{-pH}

[H₃O⁺] = 10^{-8.5}

[H₃O⁺] = 3.162 × 10⁻⁹ moles / liter

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