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A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 525 mL of a solution that has a concentration of Na^+ ions of 1.20 M?
Find the appropriate net reaction to describe the solubilization of Pb(OH)2 by NTA, and find the equilibrium constant for this net reaction.
A certain element consists of two stable isotopes. The first has atomic mass of 7.02 amu and a percent natural abundance of 92.6%.
our sun is made up of several elements mostly hydrogen and helium but there are significant amounts of metallic ions in
In order to obtain a stock solution of 1000 ug/ ml for each of clomipramine hydrochloride and imipramine hydrochloride , how many grames of each compound should be weighed
The second order reaction for the breakdown of nitric oxide to its elements has the rate constants of 0.0796 L/mol-s at 737 C and 0.0815 L/mol-s at 947 C. What is the activation energy of this reaction?
5H2C2O4 + 2KMnO4 --> 10CO2 + K2SO4 + 2MnSO4 + 8H20, How many g of H2SO4 are required to produce 75g of CO2
A 1.00 L sample of chlorine gas at 1.00 atm and 298 K reacts completely with 1.00 L of nitrogen gas and 2.00 L of oxygen gas at the same temperature and pressure.
Which of the following ideal aqueous solutions would be predicted to have the highest osmotic pressure
For a 5.0 gram sample of each of the following, what weight of water will be lost if the sample is heated to constant weight: CoCl?*9H?O; CuSO?*5H?O; ZnSO?*4H?O; BaCl?*2H?O.
classify each solute represented in the following equations as a strong, weak, or nonelectrolyte: a)CH3-OH(l) H2O> CH3-OH(aq). b)MgCl2(s) H2O> Mg2+(aq) + 2Cl-(aq). c) HClO(aq) H+(aq) + ClO-(aq)
a student prepares benzoic acid by hydrolying 6.47g of methyle benzoate (FW 136.15g/mol) using excess sodium hydroxide. If the student recovers 3.71g
When 2.5000g of NaOH were dissolved in 49.0g water in a calorimeter at 24.0C, the temperature of the solution went up to 37.1C.
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