Chemistry

Chemistry, 14.07.2019 10:00, isabelleecurtis

Astudent is told to use 20.0 grams of sodium chloride to make an aqueous solution that has a concentration of 10.0 grams of sodium chloride per liter of solution. assuming that 20.0 grams of sodium chloride has a volume of 7.5 milliliters, about how much water will she use in making this solution?

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Chemistry, 23.06.2019 09:00, sammypaige08

A0.10 m aqueous solution of sodium sulfate is a better conductor of electricity than a 0.10 m aqueous solution of sodium chloride. which of the following best explains this observation? (a) sodium sulfate is more soluble in water than sodium chloride. (b) sodium sulfate has a higher molar mass than sodium chloride. (c) to prepare a given volume of 0.10 m solution, the mass of sodium sulfate needed is more than twice the mass of sodium chloride needed. (d) more moles of ions are present in a given volume of 0.10 m sodium sulfate than in the same volume of 0.10 m sodium chloride. (e) the degree of dissociation of sodium sulfate in solution is significantly greater than that of sodium chloride.

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Physics, 31.07.2019 20:20, mafip1ug

Astudent is told to use 20.0 g of sodium chloride to make an aqueous solution that has a concentration of 10.0 g/l (grams of sodium chloride per liter of solution). assuming that 20.0 g of sodium chloride has a volume of 7.50 ml, show that she will need about 1.99 l of water to make this solution. in making this solution, should she add the solute to the solvent or the solvent to the solute?

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Chemistry, 27.08.2019 16:30, ashleyaparicio7116

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Chemistry, 09.09.2019 23:30, rleiphart1

4salt samples were each dissolved into 200 cm3 of water to determine their solubility. the amount of each salt that dissolved is recorded below: magnesium chloride: 110 grams sodium chloride: 76 grams copper chloride: 139 grams zinc chloride: 400 grams order the salts from least soluble to most soluble a. copper chloride, sodium chloride, zinc chloride, magnesium chloride b. magnesium chloride, zinc chloride, sodium chloride, copper chloride c. sodium chloride, magnesium chloride, copper chloride, zinc chloride d. magnesium chloride, zinc chloride, copper chloride, sodium chloride

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