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Chemistry, 21.06.2019 17:10, bettybales1986
What effect does nuclear radiation have on atoms?
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
131i has a half-life of 8.04 days. assuming you start with a 1.53 mg sample of 131i, how many mg wil...
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