Chemistry, 05.12.2020 14:00 cchavcchav2944
Part 1: Calculate the mass percent (m/m) of a solution prepared by dissolving 49.53 g of NaCl in 162.7 g of H2O. Express your answer to four significant figures.
Part 2: Vinegar is a solution of acetic acid in water. If a 285 mL bottle of distilled vinegar contains 28.0 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures.
Part 3: Calculate the mass/volume percent (m/v) of 18.5 g NaCl in 59.5 mL of solution.
Express your answer to three significant figures.
Part 4: Calculate the molarity (M) of 159.8 g of H2SO4 in 1.030 L of solution.
Express your answer to four significant figures.
Answers: 3
Chemistry, 22.06.2019 09:20
How have the greenhouse gasses increased from the year 2000 to 2018
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Chemistry, 22.06.2019 11:40
Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.
Answers: 3
Chemistry, 22.06.2019 17:30
What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
Answers: 1
Part 1: Calculate the mass percent (m/m) of a solution prepared by dissolving 49.53 g of NaCl in 162...
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