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"The titration of 25.0 mL of an unknown concentration H2SO4 solution require 83.6 mL of .12 M LiOH solution. What is the concentration of the HsSO4 solution (in M)?"
a it is found that the boiling point of a binary solution of a and b with xa 0.6589 is 88degc. at this temperature the
an expandable vessel contains 729 ml of gas at 22degc. what volume will the gas sample in the vessel have if it is
Describe and explain the possible effect on your results of the following experimental errors or variations. In each case specify the component(s) whose percentage(s) would be too high or too low.
An experiment shows that a 250 mL gas sample has a mass of 0.430 g at a pressure of 728 mmHg and a temperature of 26 C. What is the molar mass of the gas?
A sample of argon has a volume of 205 cm3 when its temperature is -44.0 oC and its pressure is 712 mm of Hg. What would be the volume of the argon at STP?
a helium balloon lifts off at 1.0 atm and 25 degc with a volume of 1.5 x 103 l. at an altitude of 21 km the temperature
A product has glycerol Molecular weight=92. The product contain 25% by weight glycerol and has a void fraction of ~70%, and a density of 1g/cm^3. Find its molar concentration
titration of 50 ml sample of acetic acid is performed by dropwise addition of 0.7 m naoh. a total of 11.9 ml of the
A graduated cylinder contains 18.0 m/L of water. What is the new water level after 35.6 g of silver metal with a density of 10.5 g/mL,is submerged in the water?
how many electrons can occupy subshells with the following values of l: when L =0 and L=3 and when L=5
A container is filled with C2H6O until its concentration reaches 1.375 mol. How many minutes will it take for 71.5 percent of the C2H6O break down?
calculate the osmotic pressure of a magnesium citrate laxative solution containing 26.5 of magnesium citrate in 220 of
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