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successive dilution problem. A 10-mL transfer pipet and a 200-mL volumetric flask are used to make 0.100 M and 0.0050 M solutions from a stock solution of 2.000 +/_ 0.005 M. Calculate the percent relative error for the three solutions if perfect technique is used. Report the two new molarities. (The error in a 10-mL transfer pipet is 0.02, and the error in the 200-mL volumetric flask is 0.1)
An aqueous antifreeze solution is 35.0% ethylene glycol (C2H6O2) by mass.
Explain why the in phase vibration is located at a higher frequence than the out of phase stretch in the case of acetylene.
Describe a simple and practical way to make 1.00 L of this buffer solution, assuming a 1.0 M solution of the molecular base is available and that the chloride salt of the conjugate acid is available as a solid
A piece of metal, mass of 8.50 g is heated to a temperature of 95.00 c. It is immediately placed in a calorimeter. Find the specific heat capacity?
100g (water) that increases temperature from -100 degrees Celsius to 200 degrees Celsius. How much energy in a Kilo Joule is absorbed?
The absence of an alkene C=C IR stretch is definitive evidence that a compound lacks an alkene functional group.
The rate constant for a certain reaction is k = 2.60×10-3 s-1 . If the initial reactant concentration was 0.200M , what will the concentration be after 14.0 minutes?
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
A 3.00 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
A saturated solution of NaNO3 in 100 grams of water at 40 degrees celcius is heated to 50 degrees celcius. What is the rate of increase in solubility in grams per degree?
How many resonance peaks should be observed in the hydrogen - decoupled C 13 - NMR spectrum of each of the following compounds?
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