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Find the percent by mass of sodium chloride in a 1.25M NACL solution. The density of the solution is 1.06g/ml.
The initial concentrations of the three gases are 0.550 M H2S, .550 M H2, and .275 M S2. Determine the equilibrium concentrations of the gases.
When 4.03 g of CH3OH was mixed with 6.33 g of O2 and ignited, 3.92 g of CO2 was obtained. What was the percentage yield?
At 100oC, the equilibrium constant (Kc) for the reaction COCl2(g) = CO(g) + Cl2(g) has a value of 2.19 x 10-10. Is the following mixture at equilibrium?
hydrogen gas is generated when calcium reacts with water. the volume of gas collected over water at 30 degree celcius and pressure of 988 mm Hg is 641 ml. what is the mass in grams of the hydrogen gas obtained? the pressure of water vapor at 30 de..
Write a balanced nuclear reaction for the production of dubnium-260 and neutron(s) by bombardment of californium-249 with high-energy
when 0.08 moles ammonium chloride are dissolved in enough water to make 677 milliliters of solution, what is the molarity of chloride ions?
What is the product of the reaction of 2-methycyclohexanol under acidic conditions? What other elimination product(s) might be produced?
Pre-Lab Assignment- Understanding Activity 3 in this manual and significant figures and uncertainty in measurements in general will help you answer the last two questions
Example: Recovery of the reduced solution yielded a sorbitol syrup with a pyridine number of 83. Please help thank you.
Cyclohexane has a freezing point of 6.50 C and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.771 g of biphenyl (C12H10) in 25.0 g of cyclohexane?
write the corresponding hemicl reaction for the equilibrium between solid Ca3(PO4)2 and the Aq ions. what is the solubility of calcium phosphate
a 1.628 gram sample of a hydrate of magnesium iodide is heated until all of the water is removed. its mass is now 1.072 grams. what is the formula of the hydrate?
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