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lora16 [44]
3 years ago
9

HII need help again ;-;

Biology
1 answer:
rosijanka [135]3 years ago
5 0
D. STAR A HAS A GREATER APPARENT THAN STAR B
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Some tortoises that feed on grasses were observed on an island. Some years later, an environmental change caused the grasses to
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3 years ago
The difference between a pH of 5 and a pH of 8 is
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Answer:

The correct answer is - D) 1000x.

Explanation:

pH is a logarithmic scale, 1 reading change leads to the results in ten-fold in the   H+ concentration in acidity/basicity. The more  H +  ions found in solution, the more acidic the substance is as acids donate  H +  ions.  

You can calculate the concentration of  H +  from the pH and the equation  

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arrange again

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7 0
3 years ago
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