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1. A 120.0 -mL sample of a solution that is 3.0×10-3M in AgNO3 is mixed with a 230.0 -mL sample of a solution that is 0.14 M in NaCN.
After the solution reaches equilibrium, what concentration of Ag+(aq) remains?
Express your answer using two significant figures.
B. A 0.5210 -g sample of an unknown monoprotic acid was titrated with 9.96×10-2 M NaOH. The equivalence point of the titration occurs at 23.88 mL .
Determine the molar mass of the unknown acid.
2. Use the Ksp values to calculate the molar solubility of each of the following compounds in pure water.
MX (Ksp = 1.30×10-38)
A compound, C10H14, shows an IR peak at 745 cm-1. Its 1H NMR spectrum has peaks at delta 7.18 (4 H, broad singlet), 2.70 (4 H, quartet, J=7 Hz), and 1.20 (6 H, triplet, J=7 Hz).
Question- An LRC series circuit consists of an 85.0-? Resistor, a 14.0-F capacitor, a 1.50-mH inductor, and a variable frequency ac source of voltage amplitude 13.25 V. At what angular frequency will the inductive reactance be 4.00 times as large a..
for an oil-transportation truck to fill an initially empty 275-gal tank with fuel oil requires 12 min. if the flow from
the radioactive decay of t1-206 topb-206 has a half-life of4.20 minutes. starting with 5.00 x1022 atoms of t1-206
a geochemist is interested in studying the extent of ocean dilution of trace components due to melting glaciers. if
Problem- Calculate the concentrations of all species in a 0.620 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
A solution has a hydroxide-ion concentration of 9.22 × 10-5 M. What is its hydronium-ion concentration
The molecular formula of butane is . It is obtained from petroleum and is used commonly in LPG (Liquefied Petroleum Gas) cylinders (a common source of cooking gas).
What is the freezing point of a solution of 1.17 g of 1-naphthol, C10H8O, dissolved in 2.00 mL of benzene at 20°C? The density of benzene at 20°C is 0.876 g/mL. Kf for benzene is 5.12°C/m, and benzene's normal freezing point is 5.53°C.
Your total response must be at least 200 Sulfur is one of the world's most important raw materials. Fires involving sulfur pose some unique hazards. Why are secondary fires likely to result near burning bulk quantities of sulfur? What precautions ..
A gas contains 17% O2, 11% CO2 and 72%N2. It is at 1.013 *105 Pa pressure. Calculate the partial pressure of each component
You mix Benzene solvent and diethyl ether. Thoroughly talk about how well the two compounds mix in terms of intermolecular forces as well as the energetic of solution formation. Talk about whether this solution would follow Raoult's Law.
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