3 years ago

What information is obtained from radioactive dating?

1 answer:

3 0

Answer:

Third choice.

Explanation:

The age of an object that was once living. More accurately this is obtained by radiocarbon dating, which is a form of radiometric dating.

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ch4aika [34]

Explanation:

The given data is as follows.

$M_{1}$ = 10 mM = $10 \times 10^{-3}$ M

$V_{1}$ = 750 ml, $V_{2}$ = 5 ml

$M_{2}$ = ?

Therefore, calculate the molarity of given NaCl stock as follows.

$M_{1} \times V_{1} = M_{2} \times V_{2}$

$10 \times 10^{-3} \times 750 ml = M_{2} \times 5 ml$

$M_{2}$ = 1.5 M

Thus, we can conclude that molarity of given NaCl stock is 1.5 M.

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B) The elements become less reactive.

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