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Question- A 0.010 M solution of the weak electrolyte HA has an osmotic pressure of 0.27 atm at 25 degrees celsius . what is the percent ionization of the electrolyte at this concentration?
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How many grams of 97% pure NaOH pellets do you need to make 1.000 liter of 1.5 NaOH
Find the temperature on the kelvin scale which is exactly 5 times its equivalent Celsius temperature.
how many moles of each of the following strong electrolytes are needed to give the same freezing point lowering as 3.0 mol of the nonelectrolyte ethylene glycol in 1 kg of water? a)CH3-OH, a nonelectrolyte. b)KNO3
salicylic acid with methanol to yield methyl salicylate why wouldnt you use a strong base like sodium hydroxide?
Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085), had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample
A reaction in which and react to form products is zero order in , one-half order in , and second order in .By what factor does the reaction rate change if is doubled
A 25.00 mL sample of a .1028 M monoprotic weak acid solution has a pH of 3.48 after the addition of 12.45 mL of .1106M NaOH. What is the pka of this weak acid
A 10mL aliquot of this solution, diluted to 25mL, yielded a signal of .235 units. A second 10 mL aliquot was spiked with 10mL of 1ppm standard solution of the analyze and diluted to 25mL. The signal for the spiked sample was .502 units. What is th..
At 20 degrees C the vapor pressure of pure methanol (CH3OH) is 89.0 torr and of pure water (H2O) is 17.5 torr. A solution of methanol and water has a total vapor pressure of 52.9 torr at 20 degrees C.
Based on the solubility rules, which one of these compounds should be soluble in water?
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode (with saturated KCl)
What mass of oxygen gas is required in order to release 6670 kJ of heat to the surroundings by the following reaction
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