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Solution A contains 29.541 millimoles of 0.09847 M of acetic acid (HOAc) and 34.51 millimoles of 1.0 M of sodium acetate (NaOAc). Solution B is made by 10 mL of Solution A + 90 mL of boiled water.
What is the millimoles and concentration of HOAc and NaOAc in solution B?
Alka-Seltzer contains both baking soda (NaHCO3) and citric acid (H3C6H5O7). The reaction between the bicarbonate ion and citric acid produces water
The following label was found on a bottle of liquid hydrocarbons in the laboratory of Dr. Ima Turkey following his disappearance under mysterious circumstances. Although the name defines a structure unambiguously
What is the pressure in a 65.0L cylinder filled with 0.235 moles of nitrogen gas at a temperature of 105K.
if the solubility of AgNO3 at 40oC is 211 g per 100 g of water, what mass of this solute can be dissolved in 350 g of water at the same temperature?
The evaporation of water H2O(l) ->H2O(g) is endothermic: Change in T degree +44.01 kJ Determine the minimum mass of water (in ) has to evaporate to absorb 183 joules of heat?
What is the density of a rock that weighs 10 grams and displaces water in a graduated cylinder from 100 to 120 mL.
A 2.32 L balloon contains helium at 1.00 atm and 25°C. How many grams of helium are contained in the balloon.
So he concluded that entropy of ice must be greater than that the entropy of water liquid at 0 C. do you agree with his conclusion?
What concentration of this base will produce a pH of 10.13?
A sample of gas is collected over water at a temperature of 35.0C when the barometric pressure reading is 763 torr. What is the partial pressure of the dry gas, given PH2O =42.2 torr?
Assuming a tank temperature of 16oC, what mass of oxygen is contained in the two tanks?
Describe clearly why a single indicator solution in only useful for measuring pH over a rather narrow range. Use a specific indicator of solution
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