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Question: A buffer solution contains 0.12 mol of propionic acid and 0.10 mol of sodium propionate in 1.50 L
What is the pH of the original buffer after the addition of 0.10 mol of hydroiodic acid ?
Determine the mass of the hydrate and the mass of the sulfate after removing the water. 2. Calculate the number of moles of water and the number of the moles of the anhydrous sulfate
Define internal energy and enthalpy. What is the difference between the two? List the following gases in order of increasing root-mean-square speed, all at the same temperature: H2, He, O2, Ne
What is the empirical formula of this compound. If, for example, the compound was C2Cl3F, then one would input `C2Cl3F' - no spaces, no commas, proper case for the letters in the atomic symbols, and alphabetical order of the elements is required h..
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
What is the concentration of each species present when equilibrium is reached? b. What is the value of Kc for this reaction at 500K?
suppose 50.0 ml of 0.250 m cocl2 solution is added to. 25.0 ml of 0.350 m nicl2 solution. calculate the concentration
How many grams of sodium formate, NaCO2H are needed to prepare 100 ml of a formic acid, sodium formate buffer
How many moles of each of the following were in the original sample?
A gas is compressed from 68.2 L to 8.0 L at 0.70 atmospheres? In addition a total of 3300 J of heat are gained from warmer surroundings. What is the change in internal energy in kJ
what mass of cacl2 when dissolved in 100.00 g of water gives an expected freezing point of 5.0degc cacl2 is ionic?
Suppose that 35.47 g of ice at -13.7°C is placed in 46.51 g of water at 96.7°C in a perfectly insulated vessel. Calculate the final temperature.
A zero-order reaction has a constant rate of 1.50×10?4. If after 55.0 seconds the concentration has dropped to 4.50×10?2, what was the initial concentration?
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