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A compounds analyzes to be 61.7% Cl, 26.72% P, and 12.11% N. 1.2952 g of the compound was dissolved in 15.00 ml of benzene (density of benzene=.879 g/ml). Producing a solution freezing at 4.03 degress celcius. Pure benzene has a freezing point of 5.48 degrees celcius with a Kf of 5.12Co/molal. What is the empirical and molecular formula for this compound.
Calculate the mass percent of a solution that is prepared by adding 64.4 g of NaOH to 485 g of H2O
If it is Ionic, mention which is the cation and which is the anion. Discuss how the ions formed (gaining or losing electrons and how many). If it is covalent, discuss where the covalent bonds are and draw the structure.
which is more difficult removing the valence electron from potassium or removing the valence electron from sodium
Calculate the value for the equilibrium constant Kp at this temperature. atm-2 If PN2 = 0.516 atm, PNH3 = 0.0172 atm, and PH2 = 0.00775 atm,
Which solvents are the best for trimyristin: methanol,, acetone, cyclohexane,, dichloromethane or diethyl ether. How would you rank the solubility of each compound
One of the most common causes of inaccurate melting points is too rapid heating of the melting point bath. Under these circumstance
propes a mechanism that shows why P-chlorotoluene reacts with sodium amide in liquid NH3 At -33C to give a 1:1 mixture of P-toluidine and m-toluidine
what is the final volume in milliliters when 0.780 of a 39.7 mv solution is diluted to 25.0 mv? express your answer
How many liters of gaseous hydrogen bromide at 97 degrees c and 0.953 atm will a chemist need if she wishes to prepare 3.50 L of 1.20 M hydrobromic acid
Assuming 100% dissociation, calculate the freezing point and boiling point of 1.83 m AgNO3(aq). Constants may be found here.
The best reagent or sequence of reagents for carrying out transformation A and transformation B are
What volume of 16M HNO3 will be needed to prepare 250mL of 0.50 M HNO3
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