How many molecules of water are in 1.52 moles of water?
1 answer:
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Answer:
D. 60.3 kilometers per hour
Explanation:
Hello,
In this case, we first compute the miles in kilometres:
Then the minutes in hours:
Finally, the velocity:
Thus, answer is D. 60.3 kilometers per hour
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Answer:
Explanation:
Hello!
In this case, since isotopes of the same element have the same number of protons and electrons but different atomic mass, we can compute the number of neutrons by subtracting the number of protons to the atomic mass of the isotope; thus, for Ga-69 and Ga-71 (rounded up to whole numbers), we obtain:
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