(2) Volume of nitrogen at STP in dm.
(ti) Commercial sodium hydroxide weighing 30 g has
some sodium chloride in it. The mixture on
dissolving in water and subsequent treatment with
excess silver nitrate solution formed a precipitate
weighing 14.3 g. What is the percentage of sodium
chloride in the commercial sample of sodium
hydroxide ? The equation for the reaction is
NaCl + AgNO3 → AgCl + NaNO3
[Relative molecular mass of NaCl = 58;
AgCl = 143]
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Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of these particles differ in the three phases. ... gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed,.........I hope you are usually in a regular pattern...........
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