Which of these is a compound?
a. carbon dioxide
b. air
c. carbon
d. oxyg...
Chemistry, 07.10.2019 08:00 laylay1548
Which of these is a compound?
a. carbon dioxide
b. air
c. carbon
d. oxygen
Answers: 3
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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
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