Chemistry

Chemistry, 02.09.2019 02:30, fhishy11

When will a salt become less soluble in water?

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Chemistry, 30.06.2019 14:40, caitlinhardin9131

Is ch3ch2ch2ch2oh soluble in water or ether is ch3c6h4nh2 soluble in water or ether is ch3c6h4nh3+hso4- soluble in water or ether is ch3nh2 soluble is water or ether is ch3(ch2)4cooch3 soluble in water or ether is ch3(ch2)8cooh soluble in water or ether is ch3(ch2)8coo-na+ soluble in water or ether

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Chemistry, 08.08.2019 04:20, brownzackery71

Salts form an equilibrium when dissolved in water if the salt is soluble, the equilibrium shifts towards if the salt is insoluble (or only partily soluble, the equilibriun shifts towards much like a weak acid or weak base, the concentration of ions in solution from a soluble salt must be calculated fiom the equilibrium constant. this equilibrium constant is referred to as the hp

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Chemistry, 27.09.2019 11:30, Raymond123

1. in this experiment, what property of nacl is used to separate it from the other two components? is this a chemical or physical property? nacl is the only compound in this mixture that is soluble in water, so its solubility in water is the property used to separate it. this is a physical property, because you are doing nothing to change the actual chemical composition. it's just solvated by water. 2. in this experiment, what property of caco3 is used to separate it from sio2? is this a chemical or physical property? the property of caco3 used to seperate it from sio2 is its reactivity with acetic acid. by adding the acetic acid, you develop carbon dioxide (which bubbles out of solution), and cacl2, which is soluble in water. you are undergoing a chemical reaction, so this is a chemical property. 3. an unknown sample of a mixture of salt and sand weighs 7.52 g before washing with water and 3.45 g after. what is the percent of sand in the sample? (show all work.) 7.52g salt and sand, 3.45g sand, 4.07g salt (the difference in before and after water shows how much salt you had) 3.45 g sand / 7.52g total * 100 = 45.9% sand to check that this is correct, find the percentage of salt as well. 4.07g salt / 7.52g * 100 = 54.1% salt 45.9% + 54.1% = 100%. everything is accounted for, so this must be the composition of the mixture.

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Chemistry, 27.09.2019 16:50, baby0905rodriguez

3.15: explain why, if soluble salts are prepared from an acid and an insoluble reactant: a) excess of the reactant is added b) the excess reactant is removed c) the solution remaining is only salt and water 3.16: explain why, is soluble salts are prepared from an acid and a soluble reactant: a) titration must be used b) the acid and the soluble reactant are then mixed in the correct proportions c) the solution remaining, after reaction, is only salt and water. these are two points in the gcse specification i do not completely understand. can anyone ?

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