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Explain which one of the subsequent conditions is always met at the equivalence point of the titration of amonoprotic weak base with a strong acid?
a. The pH of the solution is equal to 7.00.
b. The volume of acid added from the buret equals the volume of base titrated.
c. The molarity of the acid equals the initial molarity of the weak base.
d. The percent ionization of the acid equals the percent ionization of the base.
e. The moles of acid added from the buret equals the initial moles of weak base.
Given a buret filled with 0.12 M acetic acid and a second buret filled with 0.15 M sodium acetate, how many milliliters of each solution should be mixed together to produce 21.0 mL of a solution with a pH of 4.70
Find a parametric representation for the plane that passes through the point (?2, 2, 1) and contains the vectors i + j ? k and i ? j + k.
A rain sample has a delta value of 18O of -7 0/00 What is the 18O/16O value (R sample) of the sample, if R SMOW = 0.0020052? Does this have something to do with (Rsample-Rstd)/Rstd x1000
Established in a container of 1.0 Litre at a temperature of 1,000 K, where K c = 4.0 ⋅ 10NH 3 (g) are present. Calculate What is the equilibrium concentration of H 2 (g).?
Calculate the statistical mechanical values of Internal Energy, Entropy, Gibbs Energy, Enthalpy and Cvm for H2 (g) at 3000 K.
How many bricks must be incorporated into the interior of the house to provide the same total heat capacity as 1500 gal of water
A graduated cylinder contains 23.5mL of water. What is the new water level after 35.2g of silver metal with a density of 10.5 g/mL is submerged in the water
A 40-year old weighs 150 lb experience abdominal pain and says he consumed two 12oz bottle of beer. The alcohol in the beer is about 5 % alcohol and he said he was drinking over a hour.
CH3OH burns in oxygen (O2) to from carbon dioxide (CO2) and water(H2O). Equal masses of ten grams of gaseous CH3OH and O2 are placed in an evacuated flask of five litres at the temperature of 25 degrees celsius.
Determine the vapor P lowering, freezing point depression, boiling point elevation, and osmotic pressure when the sample is dissolved in 10.0 g water
In an experiment 0.4000moles of hydrogen gas and 0.400moles of iodine vapor are mixed in a 1.00L vessel and allowed to come to equilibrium. if Kc=49, what is the equilibrium concentration of the only product, hydrogen iodide
awrite expressions for the equilibrium constants for the following reactionsnico4 g rarr ni s 4 co g2 hgo s rarr 2 hg
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