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!
Question- The pKa of phenolphthalein is 9.3 at room temperature.
1) Calculate the ratio of ion to acid at a pH of 8.2 and 10.
Any help is greatly appreciated, solve the above problem
If 2.50 g of CuSO4 are dissolved in 9.5 102 mL of 0.21 M NH3, Explain what are the concentrations of Cu(NH3)42+, NH3 and Cu2+ at equilibrium
An empty Erlenmeyer flask weighs 261.9 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 465.2 g. What is the flask's volume in cm^3?
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
A penny with a scored edge allows the HCl to react with the internal zinc metal, leaving a shell of unreacted copper. How many moles of hydrogen gas are formed by reacting a penny with excess HCl?
what is molarity of the diluted bleach and of the original bleach solution? b. what is the mass of sodium hypochlorite per 100 mL of the stock bleach solution. c. If the density of the bleach solution is 1.05 g/mL, what is the percent of bleach by..
Compare the amount of .200 moles of KOH needed to neutralize 50 mL of .200 moles of HNO3 with the amount of .200 moles of KOH needed to neutralize 50 mL of .200 moles of CH3COOH. Is the volume of KOH more, less or the same.
What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
in order to use this for chemical species that often have avogadros number of particles present we employ stirlings
A piston has an external pressure of 11.0 rm atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.460 liters.
Explain why the salt of a weak acid, as well as the acid itself, must be present to form a bu?er solution.
Which protein elutes first from a diethylaminoethyl cellulose ion exchange column with a decreasing pH gradient
Calculate the binding energy per nucleon (in MeV) for P-32 (atomic mass = 31.9739 u). mass H = 1.007825 u and mass n = 1.008665 u.
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