Chemistry, 24.02.2020 22:28, mahadharun
Calculate the molality (m) of an aqueous solution of HCl which is 36.71% HCl by mass and has a density of 1.076 g/mL.
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What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
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Chemistry, 22.06.2019 20:00, kalcius9698
What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?
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Chemistry, 23.06.2019 01:00, stefaniethibodeaux
Substance 33Β°f 100Β°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100Β°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
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Chemistry, 23.06.2019 10:30, genyjoannerubiera
4al + 3o2 β 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
Calculate the molality (m) of an aqueous solution of HCl which is 36.71% HCl by mass and has a densi...
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