Geography

Geography, 31.07.2019 10:00, marleas

Which ion is most abundant in seawater a. chloride b. sodium c. sulfate d. magnesium

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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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Chemistry, 14.08.2019 08:20, lilisncz

The seven most abundant ions in seawater make up more than 99% by mass of the dissolved compounds. here are their abundances in units of mg ion/kg seawater: chloride 18,980; sodium 10,560; sulfate 2650; magnesium 1270; calcium 400; potassium 380; hydrogen carbonate 140. (a) what is the mass 96 of each ion in seawater? (b) what percent of the total mass of ions is sodium ion? (c) how does the total mass % of alkaline earth metal ions compare with the total mass 96 of alkali metal ions? (d) which make up the larger mass fraction of dissolved components, anions or cations?

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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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Chemistry, 26.09.2019 23:30, jojo77789

Magnesium sulfate reacts with barium chloride according to the following balanced equation. of 1.20 g of magnesium sulfate is allowed to react with 10.0 g of barium chloride in a water solution, what is the theoretical yield of barium sulfate

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Which ion is most abundant in seawater a. chloride b. sodium c. sulfate d. magnesium...

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