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A solution is prepared by dissolving 0.11 mol of acetic acid and 0.11 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
When 3.00 g KNO3 are dissolved in 50 g glycerol, the freezing point changes from 17.8°C to 13.6°C. What is the freezing point depression constant (Kf ) for glycerol.
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution. Answer in units of %
how much heat (in KJ) is required to warm 10g of ice, initially at -10 degree celsius, to steam 110 degree celsius?
How many grams of NaN3 are required to produce 340 L of nitrogen gas if the gas has a density of 1.25 g/L?
How long would it take for 1.50 mol of water at 100. 0C to be converted completely into steam if heat were added at a constant rate of 16.0J/s ?
Give the number of electrons, Protons and neutrons in 24NA and give the electron configuration of the following A: A1 B: F- (- is at the top)
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 720. mL at 25.0 oC and a barometric pressure of 755 torr.
When aqueous solutions of lead( II) ion are treated with potassium chromate solution, a bright yellow precipitate of lead( II) chromate, PbCrO4, forms
If, in a certain experiment, over a specific time period, 0.0055 mol PH3 is consumed in a 2.3 L container during each second of reaction,
Calculate G°f (kJ mol -1) for glycerol and G°rxn (kJ mol -1) for the combustion of one mole of glycerol
How many grams of the solid can be formed from 268 g of calcium nitrate and 115 g of phosphoric acid?
suppose 7.70g of methane is mixed with 54.7g of oxygen . Calculate the maximum mass of water that could be produced by the chemical reaction
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