The concentration of citric acid (H3C6H5O7) in citric fruits ranges from 0.005 M to 0.30 M. Consider a 25.4 mL sample of pure lime juice with a citric acid concentration of 0.28 M. How many moles of citric acid are in the sample?

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.