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What is the molarity of 2500. mL of a solution that contains 160. grams of NH4NO3?
Chlorine gas can be produced commercially by passing an electric current through a concentrated solution of sodium chloride (brine).
what volume(in mL) of 0.0887 M MgF2 solution is needed to make 275.0mL of 0.0224 M MgF2 solution.
An aqueous solution is six percent by mass methanol,, and has a density = 0.988 g/mL. Determine the molarity of ethanol in the solution.
What mass of NH4Cl should the student dissolve in the solution to turn it into a buffer with pH =8.77
The density of benzene at 15C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
A 126 piece of metal is heated to 285 and dropped into 83.0 of water at 26. If the final temperature of the water and metal is 58.3.
What are the n and l quantum numbers of the electron removed when Bi is ionized to Bi+ and would you expect element 115 to have ionization energy greater than, equal to, or less than that of bismuth? Explain.
Alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because
Reduction of Conjugated Ketones with Sodium Borohydride, Suggest mechanisms of reaction for 1,2-addition and for conjugate addition (1,4-addition) of NaBH4 to a conjugated
Consider the reaction CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced
A 29.20 g piece of iron and a 25.30 g piece of gold at 100.0 degree C were dropped into 980.0 mL of water at 15.65 degree C. The molar heat capcities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol degree C), respectively.
If 1.0 mL of vinegar needs 22.5 mL of 0.195 M NaOH to reach the equivalence point in the titration, what is the molarity of the original vinegar solution?
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