a
Chemistry, 25.01.2021 09:50 sydneylocascio26
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If samples of two different elements each represent one mole,
a
heir molar masses are equal.
b
they contain the same number of atoms.
c
they are equal in mass.
d
they have the same atomic mass.
Answers: 2
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You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount
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Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 β 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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How does the motion of particles in a gas change as the gas cools
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Need help urgently!!
If samples of two different elements each represent one mole,
a
a
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