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59.0 mL of an unknown molarity of sodium hydroxide is combined with45.0 mL of 1.40 M magnesium chloride. What is the molarity of sodium hydroxide?
An aqueous solution was found in a bottle labelled "100. ppm Ca2+ standard." Assuming that 1) all calcium ions in the solution came from calcium carbonate (CaCO3 molar mass is 100.0 g/mol)
If 100. mL of 1.60 M Na2SO4 is added to 200. mL of 2.40 M NaCl, what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.
Calculate the percent yield of 1.0 grams of salicylic acid obtained from the hydrolysis of 1.3 mL of methyl salicylate.
Give the structure of the product, equation, and mechanism for the formation of the aldol condensation reaction of trans-cinnamaldehyde and cyclohexanone.
An experiment reacts 2.50g of aniline, C6H7N, with 4.00 mL of acetic anhydride, C4H6O3 (density = 1.082 g/mL), and produces 2.92 g of acetanilide, C8H9NO. Calculate the theoretical yield and the percentage yield of acetanilide for this experiment.
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?
A copper cathode with an initial mass of 10.77 g is placed in a solution of CuSO4. After current has passed through the electrode for 15.0 minutes the cathode has a mass of 12.89 grams. Determine the amount charge (in Coulombs) that has passed thr..
If He(g) has an average kinetic energy of 6410 J/mol under certain conditions, what is the root mean square speed of Cl2(g) molecules under the same conditions?
After 273 m3 of ethylene oxide at 748 kPa and 525 K is cooled to 239 K, it is allowed to expand to 1.10 x 10 3(to the 3rd) m3. What is the new pressure
Why do we avoid leaving glass electrodes immersed in solutions of bases for more then a brief time
if you prepare a 1.00 m solution of nh4clo4 beginning with water at 26.0c what is the final temperature of the solution
question the mass of a proton is 1.007825 amu and the mass of a neutron is 1.008665 amu. what is the nuclear binding
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