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A student carefully diluted 50.0mL of 6 M HCI solution in 950.0 mL of distilled water. calculate the molarity of the diluted acid solution.Explain why this diluted HCI solution cannot be used as a standard solution of acid.
Find the total number of Coulomb potential energy terms and the number of electron-electron repulsion terms, for a) a boron atom B; b) an iodine atom I
A gas occupying a volume of 246 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm.
Determine the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency = 1.3 x 10^15 Hz? Express your answer in Joules
How many grams of solid sodium phosphate, Na3PO4, are needed to prepare exactly 250ml of a 0.500M Na+ solution?
the reaction of fluorine of 7.6 gramsnbsp with excess chlorinecl produced 3.3 grams of clf3. determine the percent
it takes 580. j of energy to raise the temperature of 124.5 g mercury from 20.0degc to 53.5degc. calculate the specific
To prepare a fertilizer, an engineer dilutes a stock solution of sulfuric acid by adding 23.0 L of 4.75 M acid to enough water to make 500. L. What is the mass of sulfuric acid per milliliter of the diluted solution
A fossil fuel containing 84% C, 15% H and 1%S is burned with 20% excess air in a boiler. The stack gases are at 150 C. a) What is the concentration (ppm) of SO3 in the stack if equilibrium is established according to
Which of the above sets of quantum numbers could possibly describe an electron in the ground-state configurations of boron
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
Why are the crude ester mixtures washed with aqueous NaHCO3?2. You wish to test 9 esters for antitumor activity. One and only one of the 9 esters will actually have antitumor activity. You will prepare the esters from an alcohol and an acid as was..
The specific rotation of Compound X is +15.2o. A mixture of Compound X and its enantiomer are placed in the polarimeter and the observed rotation is -5.1o. Which enantiomer is in excess? (+ or -) Calculate the enantiomeric excess.
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