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Aspirin is very soluble in ether. If 0.372g of aspirin are dissolved in 2.97g of diethyl ether, the vapor pressure of the ether lowers from 0.631 to 0.601 atm at…

States of Matter There are three different states of matter: solids, liquids and gases. These three states of matter behave differently in space: Solids have got a both a fixed…

Question 1 Balance the following equations in acidic conditions: As2O3+ NO3- à H3AsO4 + N2O3 MnO4- + S2O32- à Mn2++ SO42- H2O2+ Cr2O72¯ àCr3+ + O2 + H2O IO3- + SO2 à I2…

Question 1 Some pure magnesium carbonate was added to 145. mL of 1.00 M HCl. When the reaction had finished, the solution was acidic. 25.0 mL of 0.500 M Na2CO3 solution…

Question 1 A solution of sodium hydroxide contained 0.250 mol dm-3. Using phenolphthalein indicator, titration of 25.0 cm3 of this solution required 22.5 cm3 of a hydrochloric acid solution for complete neutralisation.…