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If one mole of the following compounds were each placed into separate beakers containing the same amount of water, rank the Cl?(aq) concentrations from highest to lowest (Use the appropriate <, =, or > symbol to separate substances in the list.)KCl, AlCl3, PbCl2, NaCl, HCl
A student placed 13.0 g of glucose C6YH12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water
If a 1.22 g piece of gold is hammered into a sheet whose area is 32.4 ft2, what is the average thickness of the sheet? (The density of gold is 19.32 g cm-3.)
The element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of M?
calculate the equilibrium constant for the reaction. b. what is the chemical significance of the value of the equilibrium constant?
How many constitutionally isomeric monochlorides can be formed on free-radical chlorination of 2,3,3-trimethylpentane? 2,3,3-trimethylpentane + Cl2 Heat
A 1.678 g sample of a component of the light petroleum distillate called naphtha is found to yield 5.143 g CO2 (g) and 2.456 g H2O (l) on complete combustion. This particular compound is also found to be an alkane with one methyl group attached to..
The equilibrium pressure is measured as 0.8 atm. What is the molecular weight of the gas? 1. 138.5 g · mol?1 2. 12.5 g · mol?1 3. 3.6 g · mol?1 4. 45 g · mol?
where b and R are constants. If the pressure and temperature are such that Vm = 10b, what is the numerical value of the compression factor?
A sample of gasoline contains various hydrocarbons, which comprise atoms of carbon, hydrogen, and oxygen. The hydrocarbons mix together uniformly to form gasoline.
What is the freezing point of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water?
The solution is titrated with a solution of sodium thiosulphate, starch solution being added near the endpoint. 29.8cm^3 of thiosulphate are required. Calculate the concentration of the thiosulphate solution.
A 1.45 g sample of an iron ore is dissolved in acid and the iron obtained is (aq). To titrate the solution, 21.6 mL of 0.102 M KMnO4(aq) is required. What is the percent of iron in the ore? Hint: calculate moles of iron then mass of iron then % ir..
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