The density of carbon monoxide is observed in a particular interstellar cloud to be 500 CO molecules per cubic meter. What will be the expected density of molecular hydrogen gas, H2, in this cloud?
A) 500 million molecules of H2 per cubic meter
B) 500 molecules of H2 per cubic meter
C) 5 million molecules of H2 per cubic meter
D) 50,000 molecules of H2 per cubic meter
Correct Answer:
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