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What is Kd of a substance X if 25 ml of a 0.015 M aqueous solution of X is extracted with 10.0 ml of ether? The entire 25 ml of water (aqueous solution) is titrated and it is found that the concentration of X after extraction is 0.005 M. The molar mass of X is 162 g/mol.
A gaseous mixture of O2 and Kr has a density of 1.184 g/L at 385 torr and 300. K. What is the mole percent O2 in the mixture?
What is the change in entropy in entropy in the system in J/K when 39.3 grams of steam at 1 atm condenses to a liquid at the normal boiling point.
Find the molality of the solution prepared by dissolving 0.238 g camphor , C10H16O , in 15.5 g cyclohexane.
What do salads turn into chemically formula andhow does it get into your bloodstream. What are some healthy foods for cognitive health? Like for concentration and studying. Give me like a list of 15 foods.
determine volume of na2s2o3 sodium this sulfate and h2o water are required to produce an estimated 0.10 m solution
At body temperature 37 C, Ka for aspirin equals 3 x10^ - 5.If two aspirin tablets, each having a mass of 325 mg, are dissolved in a full stomach whose volume is 1 L and whose pH is 2, what percent of the aspirin is in the form of neutral molecules
in a certain experiment 4.90 g of nh3 reacts with 7.55 g of o2. with4 nh3 g 5 o2g -gt 4nog 6 h2o ghow many grams of no
Draw the crystal-field energy level diagram for the 3d obitals and show the placement of d electrons assuming this is a weak-field complex ion.
When 19 mL of a solution containing .29 M Ca(OH)2 is diluted to 30 mL, a dilute solution is formed. What is the OH- concentration in 15 mL of the dilute solution
what rate is heat released/absorbed (express in kW and state whether released or absorbed) when 4050 mol/h of liquid water are produced
Predict the product that is formed when methyl 2-(3-oxocyclohexyl)acetate undergoes
Write the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include physical states.
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