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galina1969 [7]
3 years ago
12

PH & POH

Chemistry
1 answer:
Mashcka [7]3 years ago
5 0

Answer:

<h2>4.0 </h2>

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ { H}^{+}]

From the question we have

ph =  -  log(9.25 \times  {10}^{ - 5} )  \\  = 4.03385

We have the final answer as

<h3>4.0</h3>

Hope this helps you

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Oduvanchick [21]

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<h3>Further explanation</h3>

Given

7.5 light years(distance Earth-star)

Required

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Solution

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