2 years ago

One mole of particles of any substance contains how many particles?

Chemistry

1 answer:

melomori [17]2 years ago

4 0

<u>Answer:</u> The correct answer is Option d.

<u>Explanation:</u>

According to mole concept:

1 mole of a substance contains $6.02\times 10^{23}$ number of particles.

This number is known as Avogadro's number.

The mass of 1 mole of a substance or Avogadro number of particles has the mass equal to molar mass of that substance.

Hence, the correct answer is Option d.

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Convert 4.92 L of hydrogen at STP to moles.

Lorico [155]

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$\sf C) \: 0.220 \: mol \: H_2$

Explanation:

1 mol = 22.4 litres

4.92 = how many moles?

$\sf \implies \frac{4.92}{22.4} \\ \\ \sf \implies 0.2196 \\ \\ \sf \implies 0.220 \: mol \: H_2$

5 0

1 year ago

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A molecule of composition is replicated in a solution containing unlabeled (not radioactive) GTP, CTP, and TTP plus adenine nucl

Lapatulllka [165]

Answer:

Please find the complete question in the attached file.

Explanation:

It would only be radioactive if the DNA molecule that employed the poly-T rand as templates. Its other molecule of the daughter would not have been radioactive as it did not need dATP for its replication. While each strand of the second molecule includes t, simultaneous reproduction dATP from both daughter molecules is needed so that each of those is radioactive.