On the periodic table, the average atomic mass for carbon is 12.01 g. Why is it not exactly 12.00?

Chemistry

1 answer:

KiRa [710]2 years ago

5 0

The average the natural abundances of the various isotopes of carbon to arrive at the fractional mass.

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A solution at 25 ∘C has pOH = 10.53. Which of the following statements is or are true? The solution is acidic. The pH of the sol

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The true statements are:

The solution is acidic

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The pH of the solution is defined as negative logarithm of hydrogen ion concentration present in the solution .

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The pH value more 7 means that hydrogen ion concentration is less ,alkaline will be the solution.
The pH value less 7 means that hydrogen ion concentration is more ,acidic will be the solution.
The pH value equal to 7 indicates that the solution is neutral.

The pOH of the solution is defined as negative logarithm of hydroxide ion concentration present in the solution .

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