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Question: A 10.0 mL sample of household ammonia solution required 33.55mL of 0.450 M HCl to reach neutralization. Calculate
(a) the molar concentration of the ammonia and
(b) the mass/mass percent concentration of ammonia(17.04 g/mol),given a solution density of 0.983 g/mL.
he sample required 5.5 mL of 0.0019 M NaOH to titrate the sample to neutrality. What was the pH of the gastric juice?
In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.73 times longer to effuse than does a 0.100 L sample of Ar(g). What is the molecular formula of the compound? Draw possible ..
To 333 milliliters of a 0.120 molar Pb(NO3)2 solution, 0.667 milliliteres of 0.435 molar KIO3 is added. Calculate the concentrations of Pb+2 and IO3- in the solution at equilibrium.
why is it difficult to use refractive index to determine the concentration of alcohol above 56 by
What is the purpose of the sodium carbonate in Part A. Why do we add glacial acetic acid in Part 1B when we react N,N-dimethylaniline, but we don;t use it with the other aromatic couplings reagents
T (K) K b 280 1.42E-05 285 1.46E-05
the radioactive isotope carbon-14 is used for radiocarbon dating. The half-life of carbon-14 is 5730 years. A wooden artifact in a museum has a 14C count that is 0.125 times that found in living organisms. Estimate the age of the artifact.
For groups (a) and (b) below, identify the best oxidizing and the best reducing agent in each group. You should have one oxidizing and one reducing agent (species) for a, and one of each for b. Assume the reaction as written
Calculate the wavelength (m) associated with an electron that travels at 65% of the speed of light.
Which of these is a stronger acid from greatest to least. I know that CH3COOH, HF, and H3PO4 are weak acids and HI and H2So4 are strong acids.
All of the common noble gases are mono atomic and low boiling. Their boiling points in °C are: Ne,-245: Ar,-186;Kr,-152: and Xe, -107. Using the periodic relationship between the noble gases, predict the boiling point of Radon
when carbon is burned in the presence of oxygen, the carbon and oxygen combine to produce carbon dioxide. if you start with 3 grams of carbon and 8 grams of oxygen and they react completely, how many grams of carbon dioxide will be produced?
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