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What is the atomic weight of an element if 4 grams of it contains 2.98 x 10^22 atoms?
answered
Jan 25, 2017
Chemistry
high-school
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Convert the decimal to a percent. 0.007 a. 0.007% b. 0.07% c. 0.7% d. 7%
answered
Oct 12, 2016
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high-school
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