To aid in the prevention of tooth decay, it is recommended that drinking water contain 0.800 ppm0.800 ppm fluoride, F−.F−. How many grams of F−F− must be added to a cylindrical water reservoir having a diameter of 4.00×102 m4.00×102 m and a depth of 82.09 m?82.09 m? mass:   g F− How many grams of sodium fluoride, NaF, contain this amount of fluoride? mass:   g NaF

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A: We have to predict the concentration in mmol/L.

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A: Molarity is defined as no.of moles of solute devided by volume of solution in liter.

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A:

Q: Find the mass of solute needed to prepare 0.500 mL of 1.20 mol/L Ca(OH)2(aq) solution

A: Given: Volume= 0.500 mL Molarity = 1.20 mol/L

Q: difference in volume:

A:

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A:

Q: In this station, you will find 400.0 mL of a 0.500 M aqueous solution of calcium chloride. What mass…

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A:

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Q: I add 2.00 g NaCl and 6.42 g BaCl₂ to a a container. You can assume that both of these salts are…

A:

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A:

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A: Given : Concentration of CaCl2 = 0.300 M And volume of solution = 5.5 L

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Q: Payalben

A:

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A:

Q: If 0.42 mg calcium fluoride, CaF2 is used as above to add fuoride to the drinking water, does CaFz…

A: Given that 0.42 mg CaF2 is used to add fluoride in drinking water.We have to find between 0.42 mg of…

Q: eus to prepare 250 mL of a 0.500 M aqueous solution of sucrose, C12H22 biological experiments. (aq),…

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Q: Suppose 3.32 g of nickel(II) iodide is dissolved in 200. mL of a 0.30 M aqueous solution of…

A: The equation is,

Q: The solubility of magnesium hydroxide, Mg(OH)2, in water is 9.0 x 10 4 g/100 mL. What volume of…

A: The equation for the above process is written as: Mg(OH)2+HNO3---------->Mg(NO3)2+H2O. Now,…

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A:

Q: An aqueous solution of manganese (II) iodide,MnI2,is made by dissolving 21.1 grams of manganese(II)…

A: Weight/Volume percentage = it tells about amount of solute present per 100 mL of solutionWeight of…

Q: How many grams of barium acetate, Ba(CH3 COO)2 , must be dissolved to prepare 250. mL of a 0.218 M…

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Q: A solution is prepared by mixing 626.0 mL of ethanol with 608.0 mL of water. The molarity of ethanol…

A: Given that the solution is made by mixing 626.0 mL of ethanol and 608.0 mL of water. Total volume of…