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Question- How many ml of a 0.425 M aqueous solution of potassium sulfite will contain 1.5 * 10^23 potassium ions?
Please take care to answer the question as mark are equally granted for each point
the thermochemical equation for the combustion of butane is c4h10g 132o2g --gt 4co2g 5h2ol delta h -2877kjwhat is
Which of the acids in question #3 would be the best choice to create a buffer with pH = 7.35? If you had 250.0 mL of a 0.20 M solution of the acid, what mass of the corresponding sodium salt of the conjugate base would be required to make the buff..
Based on the solubility rules, which of these processes will occur when a solution containing about 0.1 g of Pb(NO3)2(aq) is mixed with a solution containing 0.1 g of KI(aq)/100 mL
We did the ice cream experiment by means of NaCl and ice to drop the freezing point as well as create ice cream. Explain what are the 2 thermo chemical equations involved? One would be NaCl(s)--> Na+(aq) + Cl-(aq). Explain what would other be?
if 5 moles of kul at 40oc is combined with 4 moles of kus at 8oc and allowed to come to thermal equilibrium what phases
Which substance meets the requirements: crsytalline solid; brittle; poor electrical conductor in the solid state; good conductor in liquid phase; melts at high temperature
Determine what percent by weight of sodium carbonate does it contain If the specific gravity of the sodium carbonate solution = 1.25,?
However the dimmers are termed SDS-resistant for the reason that they do not further dissociate into monomers in the presence of the detergent. Explain what intermolecular forces might be acting at the dimmer-dimmer interface? Explain Are the inte..
what type of intermolecular forces are between ch3ch2ch2cl and
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
The vapor pressure and enthalpy of vaporization of an unknown substance are measured to be 204.2 torr and 28.8 kJ/mol, respectively at room temperature (298.15 K). Estimate the normal boiling point of the substance at an atmospheric pressure of 76..
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
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