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Problem- If you were to use a 32.5% ethylenediamine solution and the density of the solution is 0.985 g/ml, what is the mass of the ethylenediamine in 3.4 ml of this solution?
Illustrate structures to prove your interpretation.
If it takes 50.0 mL of 0.0250 M K2Cr2O7 to titrate 30.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+?
Gas boiling matographic analysis of the product showed that the compound was pure, and a calibration of the thermometer indicated that it was accurate. What procedural error might the student have made in setting up the distillation apparatus
Consider a buffer by dissolving .139 M sodium benzoate and .081 M benzoic acid in water and adjusting the final volume of the solution to 500 mL. pKa of benzoic acid = 4.19. What is the pH of the buffer
Provide a balanced equation for the oxidation of the following: 2-propanol to acetone by means of Cr2O7-2/H+. Please show all steps to obtain the final balanced equation.
Question- At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.70. What is the Ksp of the salt at 22°C.
A solution is prepared by dissolving 285 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
a bottle of acetaminophen tylenol containing 75 tablets 325-mg each sells for 2.29. calculate the cost of one billion
Phosphorus, P, is combined with flourine F2, to give a gaseous compound with the formula PFx. If you start with 2.982 grams of P and isolate 12.129 grams of PFx, what is the value of x?
Which reagent is capable under standard conditions, of converting Co2+ (aq) into Co(s) but does not convert Fe2+ (aq) into Fe(s). Which of the following is the best reducing agent under standard conditions
Write a balanced chemical equation for the formation of CH3OH (l) from the elements in their standard states.
What is the ionization state of aniline (protonated, deprotonated, or a mix) at pH 1, 4.6, and 14?
What is the acceleration due to gravity at a point 5 cm from the center of a centrifuge rotor spinning
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