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Chemistry, 22.06.2019 06:00
Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?
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Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
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Which three statements represent the benefits of performing experiments using computer simulations?
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15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
4. If 175 undecayed nuclei remain from a sample of 2800 nuclei, how many half-
lives have passed? (...
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