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If 8.61 mL of 0.572 M NaOH are needed to completely react with the acetic acid in 9.38 g of vinegar, what is the percent acetic acid in the vinegar?
The dipole moment of HI is 0.42D . What is the dipole moment of HI in C.m. Express your answer in Coulomb-meters to three significant figures.
Enough of a monoprotic acid is dissolved in water to produce a 0.0193 M solution. The pH of the resulting solution is 6.31. Calculate the Ka for the acid.
2 students are titrating and started the titration at 30.0 mL. The buret was at 49.50 mL and the solution still had not chnaged to the base color. They stopped, now at 49.80 mL and refilled the buret to 0.00 mL and continued to titrate.
At the end of the reaction, the mixture contained 11.17g iron, 10.20 g of aluminum oxide and an undetermined amount of unreacted iron (lll) oxide. No aluminum was left. Explain what is the mass of the iron (lll) oxide
To an insulated container with 100.0 g H20 (l) at 20.0 C, 175 g steam at 100 C and 1650 g of ice at 0.0 C are added. A) What mass of ice remains unmelted after equilibrium is established
If a customer replaces a 85 watt bulb with an 20 watt compact fluorescent bulb that lasts 5000 hours, how much less coal (lbs)will be used to generate the electricity that is saved?
Problem- 10ml of a solution consisting of 24.0ml 1.0M NaOAc + 10ml 1.0M HOAc is mixed with 40ml of water. The PH is 5.08. Find [H+], [OAc-], [HOAc] and the Ka value.
A flask is charged with 1800atm of N2O4 (g) as well as 1.00 atm NO2 (g) at 25 C, as well as the flowing equilibrium is achieved. N2O4 2NO2, after equilibrium is reached the partial pressure of NO2 is 0.519 atm.
What is the Cl ? concentration just as Ag2CrO4 begins to precipitate when 2.0 M AgNO3 is slowly added to a solution containing 0.048 M Cl ? and 0.048 M CrO42-?
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 26.50 mL of 0.0502 M NaOH but overshoot the end point, and the solution turns deep pink.
question a person ate 0.941 pound of cheese an energy intake of 7530 kj. suppose that none of the energy was stored in
calculate the temperature change in the water upon complete melting of the ice. hint determine how much heat is
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