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A 1.30 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons.
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
What is the molarity of a solution of 14.0 g NH4Br in enough H20 to make 150 ML of solution.
What is the Ce 3+ concentration in a solution formed by combining 50.0 mL of 0.0500 M Ce 3+ with 50.00 mL of 0.150 M IO3-? The solubility-product constant for Ce(IO 3 )3 = 3.2 x 10 E-10.
at 25 C and 1.0 atm, .25 g of a gas dissolves in 1.00L of water. what mass of the gas dissolves in 1.00L of water at 25C and 3.0 atm
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
If you wanted to prepare a 1.45 L buffer with a total phosphate concentration of 0.0500 M, how many grams of NaH2PO4 and Na2HPO4 would you mix together? How many grams of conjugate acid do you need? How many grams of conjugate base do you need?
what is the purpose of the anhydrous cacl2? the important that none of the solid cacl2 be included in the final distillation of 1-bromobutane.
Determine the theoretical volume of NaOH it should take to neutralize the sulfuric acid in the equilibrium reaction mixture.
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air?
Draw Line structures of each compound a.Benzyl alcohol, benzaldehyde, benzyl acetate b.Aniline,N,N-dimethylaniline, naphthalene c.Benzophenone, Biphenyl, Benzoic acid.
A 20.0 ml sample of 0.200 M K2CO3 solution is 30.0 ml of 0.400 M Ba(NO3)2 solution. Barium Carbonate precipitates. The Concentration of barium ions, Ba^2+, in solution after reaction is?
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
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