Chemistry, 25.01.2020 06:31 mathman783
Achemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate all of the barium ions as barium sulfate, baso4. how many grams of barium ions are in a 441-mg sample of the barium compound if a solution of the sample gave 403 mg baso4 precipitate? what is the mass percentage of barium compound?
Answers: 1
Chemistry, 22.06.2019 21:50
If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3
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Chemistry, 22.06.2019 22:30
Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next
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Chemistry, 23.06.2019 00:20
4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound
Answers: 3
Achemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate...
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