<span>Colligative properties are dependent upon the number of molecules or ions present in solution. Therefore, 1 mole of Na2SO4 will produce 3 moles of ions and so it will have 3 times as much of an effect as 1 mole of sugar, which is not an electrolyte and can't dissociate to an appreciable extent.</span>
27.6 - 22.3 = 5.3; you simply subtract the old density from the new density.
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this is because spreading it makes more sunlight hit the cloth which results in it drying faster
Luster is the correct answer.
Answer:
Elements in which the d-sublevel is being filled have the properties of metals