Chemistry, 24.02.2020 17:34 Bianca1203
A student creates a solution by dissolving some Na2SO4 (molar mass = 142.05 g/mol) in enough water to create 0.500 L of solution. If [Na+ ] = 0.125 M then what mass of Na2SO4 was used?
Answers: 2
Chemistry, 22.06.2019 21:30, steven0448
An atomic nucleus is composed ofa)protons. b)protons and neutrons. c)protons and electrons. d)protons, neutrons, and electrons.
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Chemistry, 22.06.2019 22:30, jaylenmiller437
The diagram shows the relationship between scientific disciplines. the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a. physics b. biology c. chemistry d. metallurgy
Answers: 2
Chemistry, 23.06.2019 06:30, kaitlynk0
Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.
Answers: 1
Chemistry, 23.06.2019 08:30, aaliyahnv07
According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.
Answers: 1
A student creates a solution by dissolving some Na2SO4 (molar mass = 142.05 g/mol) in enough water t...
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