The state of California has set an upper limit of 50. ppb of chromium (by mass) in drinking water. Suppose you drink the recommended eight 8-ounce glasses of water (1.9 kg of water) with this concentration in one day. How much chromium did you ingest that day?

Q: The Henry's Law constant (k) for carbon monoxide in water at 25°C is 9.71 x 10 mol/(L-atm). How many…

A: Given : Henry's law constant of CO = 9.71 X 10-4 mol/L.atm Partial pressure of CO = 2.75 atm And…

Q: potassium

A: Dear student, this question is related to molar concentration.

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Q: A solution was prepared by dissolving 5.76 g of KCl.MgCl2.6H2O (277.85 g/mol) in sufficient water to…

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Q: Calculate the mole fraction of the total ions in an aqueous solution prepared by dissolving 0.400…

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Q: What will be the new vapor pressure of the water  in a 250 mL  solution of 5 grams CaSO4 (MW= 136.14…

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Q: If 1000 g of water from Luboc River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm…

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Q: Express the concentration of a 0.0590 M aqueous solution of fluoride, F, in mass percentage and in…

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Q: Calculate the concentration of concentration of 300 g of ribose (C5H10O5) in 500 mL of water.

A: Mass of ribose = 300 g Volume of water = 500 ml = 0.500 L

Q: 4- Describe the preparation of 200 mL of 3 F H2SO4 from the concentrated solution which is 95% (w/w)…

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Q: What are the molarity of solutions 85.0% H, PO, specific gravity 1.689, F. wt 98 g / mol

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Q: Caffeine (Cy H10N402) is a stimulant found in coffee and tea. A solution of caffeine in the solvent…

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Q: calculate the (w/v) % concentration of 150. ml solution contains 7.50g of dissolved solid Na2SO4

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Q: Calculate the molarity (M) of a 58% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).

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Q: What is the expected solubility of true salts to liquid ammonia?

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Q: If 1000 g of water from Angat River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm…

A: Given information,    Mass of water is 1000 g    Mass of Ca2+ in 1000 g of water is 0.0075 g

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Q: A 600 mL water sample collected from an industrial wastewater plant was found to contain 9.45 ug of…

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Q: Express the concentration of a 0.0860 M aqueous solution of fluoride, F, in mass percentage and in…

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Q: what is the molar concentration of 200mL 10% (w/v) MgCl2 solution?

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Q: What process or processes accounts for the presence of arsenic in well water?

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