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A 15.00 ml solution of potassium nitrate (KNO3) was diluted to 125.0 ml and 25.00 ml of this solution were diluted to 1000 ml. The concentration of the final solution is 0.00383 M. Calculate the concentration of the original solution.
iF 0.80g of a gas occupies 295 mL at 25 degrees Celcius and 680 mm Hg of pressure, what is the molar mass of the gas.
State a beaker contains 100. mL of 0.0640 M H2SO4. Define what volume of 0.0470 M KOH solution is needed to exactly neutralize the acid
Limesonte is another form of CaCO3. Sandstone is primarily silica or sand, SiO2. On the basis of observations made in today's experiment, explain a test that would allow you to distinguish between limestone and sandstone.
A 68.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?
The vapor-pressure lowering upon forming solution can be utilized for determining molecular weight of nonvolatile solutes. Consider a solvent with known P1* and molar mass M1. Upon adding m2 kg of a solute tom1 kg of the solvent, the solution vapo..
sample of gas occupies 10.0-mL at 294.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound?
Problem- State the kind of intermolecular forces that would occur between the solute and solvent in olive oil (nonpolar).
at combustion temperatures the equilibrium constant for thereaction of n2 with o2 is about 10-14. calculate
If Carbon monoxide is present at a level of 16.3ppm by volume in an air sample taken at 15 degrees Celsius and 1.00atm pressure. Explain at what temperature at 1.00atm pressure would the sample also contain 7.5 mg/cm3 of CO
If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex
Write the balanced neutralization reaction between H2SO4 and KOH in aqueous solution. .150 L of .430 M H2SO4 is mixed with 0.100 L of .230 M KOH. What concentration of sulfuric acid remains after neutralization
For caffeine, the partition coefficient between methylene chloride and water is approximately 8. If you add the following to a separatory funnel - 10 g caffeine,
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