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Givens: mass NaCl = 4.01689, mass water = 99.7g, boiling point of pure water = 99.70 C, boiling temp. of solution = 100.4 C
Calculate the predicted change in boiling point in C
What is the calculated boiling point of the solution? Compare this with the actual boiling point.
According to the following reaction, how many grams of mercury will be formed upon the complete reaction of 25.6 grams of mercury(II) oxide
What is the composition in mole fractions of a solution that has a vapor pressure of 39 at 20 ? Express your answer using two significant figures.
A mixture containing 3.3 moles of NO and .85 mole of CO2 was allowed to react in a flask at a certain temperature according to the equation.
c6h14 is an organic solvent that has a density 0.6603 gcm 3 at the temperature of twenty degree celsius. when hexane
a mixture of methane and ethane is stored in a container at 294 mmHg. The gases are burned in air to form co2 and h2o. if the pressure of co2 is 357 mmhg measured at the same temperature and volume as the original mixture, calculate the mole fract..
Which reagent would be best for achieving an E2 elimination of 3-chloropentane? a. C2H5OH b. CH3CO2Na c. NaHCO3 d. NaI
their molecules or ions are in close contact and do not move. a change of state or phase transition is a change of a
For your most exact titration, record the following: (a) Volume of NaOH solution in the burette at the start (mL): (b) Volume of NaOH solution in the burette at the end (mL):
At a given temperature, the equlilibruin constant for the system studied in an experiement is 1.40x10^2. Suppose 100.0 ml of 2.00 x 10^-3 M KSCN was mixed with 100.0 ml of 2.00 x 10^-3 M Fe(NO3)3
When the reaction produces 0.500 g of NO, how many molecules of I2 will be produced?
Calculate the concentration of a NaOH solution if 0.1379 g of succinic acid (H2C4H4O4, 118.09 g/mol) requires 12.4 mL of NaOH solution
The student determined that the average concentration of HCl was 0.188 M. What volume of 0.0875 M NaOH would be needed to comletely react with 15.0 mL of this acid
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