How many grams of sodium succinate (MW=140 g/mol)
1. ) how many grams of sodium succinate (MW=140 g/mol) and disodium succinate (MW 162 g/mol) must be added to 1 L of water to produce a solution with pH 6.5 and a total solute concentration of 40 mM? The pKa is 5.64.
Having Trouble Meeting Your Deadline?
Get your assignment on How many grams of sodium succinate (MW=140 g/mol) completed on time. avoid delay and – ORDER NOW
2.) You are hired in a lab and are asked to make a buffer of a pH of 10.2.
a. What acid/ conjugate base pair is best for this solution? Why?
b. Calculate the amount (in grams) of the acid/ conjugate base you should combine to get 2L of 0.5 M solution.
3.) Buffers are important physiological compounds that resist change in pH.
a). Calculate the pH of the buffer system that is 0.75 M benzoic acid and 0.25 M benzoate if pKa=4.2
b). Calculate the number of moles of benzoic acid that are required to make a liter of 0.25 M buffer solution at the pH calculated in part a
Explanation & Answer
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Order Now and we will direct you to our Order Page at Litessays. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.