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0.5 L of a 0.25 M HCL solution is titrated with a solution of 0.50 M NaOH
What is the pH before addition of NaOH?
What is the total number of moles of acid?
What is the pH after addition of 125 mL of NaOH solution?
What volume of the NaOH solution is required to reach the equivalence point?
What is the pH at the equivalence point?
What is the pH after addition of 375 mL (total) of NaOH solution?
A molecule of chlorine dioxide (ClO2) at 25oC has a velocity of 306 m/s. What is the kinetic energy in joules of the molecule at this temperature?
a strip of magnesium of mass 15g is dropped into a beaker of dilutenbsp hydrochloric acid. calculate the work done in j
Which of the following statements is correct with regard to the following two solutions? (Note: Use the ideal values of the van't Hoff factor.) (I) 0.70 m LiBr and (II) 0.24 m CaBr2
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
calculate the change internal energy (E) for a system that is giving off 45.0kJ of heat and is performing 855J of work on the surroundings.
2816 g sample of KHP required 29.68 ml of sodium hydroxide to reach the phenolphthalein point. calculate the molarity of the NaOh solution.
Balance the following ionic Lewis structures by placing the appropriate coefficients. Leave a target blank to indicate the absence of a coefficient
what is the analytical molarity of fecl3 in a solution prepared by dissolving 1.340 g of fecl3 in water and diluting to
Saturated acetone vapor enters a heat exchanger at a rate of 8.40 L/s and 1 atm, and emerges from the heat exchanger as a saturated liquid at the same pressure. Water at 1 atm enters the heat exchanger at 10.5 C and at a rate of 9.48 mol/s
What carbonyl compound would the following condensation product? Which of the following could result from a self-aldol condensation followed by dehydration?
Describe how to make a sodium formate (HCOONa)/ formic acid (HCOOH) buffer that has a pH of 4.77.
Explain how you would prepare 100.0mL of a solution, using pure solute and water, that is 5 v/v% C2H6O(ethanol).
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