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In 50.1 grams of water, the solubility of KF is 10.1 grams. How many grams of KF dissolve in 133.0 grams of water?
Which of the following statements about natural radioactive emissions is incorrect?
500 ml of 0.150m sodium hydroxide is mixed to 595 ml of 0.200m weak acid determine nbspthe ph of the resulting buffer
What is the difference in density of the air at the top and bottom of the room? (Hint: assume that the volume and pressure is the same, if you like, you can take the volume to be 1L and the pressure to be 1atm, but if you think carefully you may r..
why would paraformaledhyde be used in an acetal formation reaction than formaldehyde(Bp=-6*C) which is commercially available as a 37% aqueous solution?
a solution of water kb0.512 c and glucose freezes at 4.15. what is the molal concentration of glucose in this solution?
What mass (in grams) of Al(NO3)3 (molar mass=213.01) is needed to prepare 100 mL of an aqueous solution that is 0.030 M in NO3-
The activation energy for a particular reaction is 64 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 80 oC
what mass of barium is produced when molten BaCl2 is electrolyzed by a current of 3.30 105 A for 7.00 hours?
Calculate the pH of a buffer solution made by mixing 34 ml of a 0.11 M potassium acetate solution with 63 ml of a 0.10M acetic acid solution. Give the pH to two decimal places.
Calculate the osmotic pressure generated when 14.6 grams of estrogen are dissolved in 275 ml of a benzene solution at 298 K. What is the molarity and osmotic pressure
Show the reaction mechanism when 2-methyl-2-butanol, sulfuric acid(H2SO4), and water are in a mixture
An excess of NaOH is treated with 1.1L of dry HCl gas (measured at STP). What is the weight of NaCl formed?
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