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!
Calculate the number of moles of solute present in each of the following solutions:
(a) 255 mL of 1.50 M HNO3 (aq),
(b) 50.0 mg of an aqueous solution that is 1.50 m NaCl,
(c) 75.0 g of an aqueous solution that is . 1.50% sucrose (C12H22O11) by mass
how many grams of sodium lactate should be added to 1.00 l of 0.150 lactic acid or to form a buffer solution with
Calculate the pH of a solution prepared by mixing 20.5mL of a 0.500M sodium fluoride solution with 32.5mL of a 0.750M hydrofluoric acid solution.
A concentration cell is constructed of two hydrogen electrodes. The pressure of H2 is 1.00 atm in each hydrogen electrode. One of the electrodes is immersed in a solution with [H+] = 1.0 M and the other in a solution with 0.62 M NH3. What will be ..
define what is the additional concentration of nitrogen nine expressed in milligrams of nitrogen per liter in the river water due to the farmer's fertilizer
If one solution has an H3O+ concentration that is 10 times that of another solution, what is the difference of their pH values
At what temperature will the rate of the reaction triple compared to the rate at 25 degrees C if the activation energy is 56KJ/mole? ln(k1/k2) = -(Ea/R) [(1/T1)-(1/T2) R= 8.315 x 10 ^ -3 Kj/mol-K
you have a hydrochloric acidsolution with a pH of 1.8. How many mL of sodium hydroxide with a pH of 11.8 would be used to neutralize 20.0 mL of the acid solution.
Explain how the Pka hisdidine 57 is important to its role in mechanism of chymotrypsin action
How much energy (in kilojoules) is released when 13.4 of steam at 122.5 is condensed to give liquid water at 71.5? The heat of vaporization of liquid water is 40.67 , and the molar heat capacity is 75.3 for the liquid and 33.6 for the vapor
If equal amounts of Na2HPO4 and Na3PO4 are added in water, calculate the resulting pH. The pKa's of phosphoric acid are 2.1, 7.2, and 12.4
element x crystallizes in a body-centered cubic lattice. it satomic mass is 59 amu. the edge length of a unit cell of x
A student prepared a 0.15 M solution of propanoic acid (HC3H5O2) and measured the pH to be 2.85 at 25 C. Calculate Ka and Kb for propanoic acid
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