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A gas sample occupies 7.74 L at 4.0°C.
What is the pressure, in mmHg, g...
Answers: 2
Chemistry, 21.06.2019 19:00, thebrain1345
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Chemistry, 22.06.2019 06:30, yolo123321
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
Chemistry, 23.06.2019 01:30, Nathaliasmiles
If a particle has z = 25 and 23 electrons, what is its charge?
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