Use the conversion factor 1 amu = 1.66054 * 10-24 g to answer the following questions. a) 1.672 * 10-24 g of protons is how many amu? b) What is the average mass (in grams) of a flourine atom? (Fluorine has an atomic weight of 18.998 amu.) c) 1.311 * 10-22 g of selenium is how many amu?

Question

Inchworm

Chemistry

26 April, 12:12

Use the conversion factor 1 amu = 1.66054 * 10-24 g to answer the following questions. a) 1.672 * 10-24 g of protons is how many amu? b) What is the average mass (in grams) of a flourine atom? (Fluorine has an atomic weight of 18.998 amu.) c) 1.311 * 10-22 g of selenium is how many amu?

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Answers (1)

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Jaylee Crane · Answer 1

A) Proton mass = 1.672 x 10⁻²⁴ / 1.66054 x 10⁻²⁴

= 1.007 amu

b) Mass in grams = 1.66054 x 10⁻²⁴ g/amu x 18.998 amu

= 3.155 x 10⁻²⁴ g

c) 1.311 x 10⁻²² g / 1.66054 x 10⁻²⁴ g/amu

= 79.0 amu