Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A solution of Na2C2O4 is added dropwise to a solution that is 0.0637 M in Cd2+ and 0.000246 M in Ag+. The Ksp of CdC2O4 is 1.42e-08. The Ksp of Ag2C2O4 is 5.4e-12. (a) What concentration of C2O42- is necessary to begin precipitation? (Neglect volume changes.) [C2O42-] = M. (b) Which cation precipitates first? Cd2+ Ag+ (c) What is the concentration of C2O42- when the second cation begins to precipitate? [C2O42-] = M.
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16
Which statement is true for a reaction with Kc equal to 2.43 × 10-12? A) Increasing the temperature will not change the value of Kc. B) There are appreciable concentrations of both reactants and products.
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
Draw the correct stereochemical structures of these two compounds of the fumarase-catalyzed reaction. Be sure to include all hydrogen atoms and show the carboxylates as anions.
The resulting solution required 13.73 mL of 0.176 mol L-1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass of Mg(OH)2 in the original sample [Hint: When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a ch..
Caffeine (C8H10N4O2) is a stimulant found in coffee and tea. If a solution of caffeine in chloroform (CHCl3) as a solvent has a concentration of 0.0870 m, calculate the following. (a) the percent caffeine by mass (b) the mole fraction of caffeine
Consider the following element combinations. Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent based solely on each element's position on the periodic table
consider the decomposition of liquid benzene to gaseous acetylene according to the following reaction C6H6=3C2H2 what is the delta H for the formation of 1 mole of acetylene?
What mass of sucrose should be combined with 521 of water to make a solution with an osmotic pressure of 8.15 at 285 ? (Assume the density of the solution to be equal to the density of the solvent.)
the sandals in disintegrations per minute per gram? Assume the original activity was 15.3 disintegrations per minute per gram.
What is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m? (Volume=πr2×height)?
What conclusions can you draw about the mobility of metals in acidic environments?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd