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 hydrochloric acid solution is standardized using 0.500g of sodium carbonate, Na2CO3. Find the molarity of the acid if 29.50mL are required to reach a phenolphthalein endpoint.2 HCI(aq) + NaCO3(s) -right arrow 2 NaCl(aq) + H2O(I) + CO2 (g)
A 10.0 mL sample of household ammonia solution required 18.15 mL of 0.320 M HCI to reach neutralization. Calculate(a) the molar concentration of the ammonia and (b) the mass/mass % concentration of ammonia (17.04g/mol). given a solution density of 0.990 g/mLHCI (aq) + NH3(aq) -right arrow NH4Cl(aq)
Polypropylene can be made with varying degrees of crystallinity. If it is processed to have an amorphus structure (where the side-chains are ordered randomly, which statements
What is the approximate pH of a solution of the salt NH4(O2CCH3) (ammonium acetate)? No calculations -- only reasoning needed. pKa/pKb values in your notes
Calculate the amount of mass in nano gram that is changed into energy when one mole of liquid water forms by combustion of hydrogen
A quantity of 6.882g of and organic compound is dissolved in water to make 276.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27 degree celsius. The analysis of this compound shows that it contains 41.8% C, 4.7% H, 37.3 % O ..
As a technician in a large pharmaceutical research firm, you need to produce 200 mL of 1.00 M a phosphate buffer solution of pH = 7.06. The pKa of H_2PO_4}^- is 7.21. You have 2.00 L of 1.00 M KH_2PO_4 solution and 1.50 L of 1.00 M K_2HPO_4 soluti..
Set up the problem by listing the reactions unknowns equations and knowns b.) Calculate the concentrations of all chemical species present in the solution, and the pH.
A buffer that contains 0.500 M of acid, HY and 0.274 M of its conjugate base Y-, has a pH of 5.14. What is the pH after 0.0457 mol of Ba(OH)2 are added to 0.670 L of the solution
what is the pH of the benzoic acid solution prior to adding sodium benzoate? B. how many grams of sodium benzoate should be added to prepare the buffer? neglect the small volume change that occurs when the sodium benzoate is added.
Concentrated sulfuric acid is used as a catalyst for the esterification of acetic acid in the preparation of isopentyl acetate. Why is sulfuric acid needed if another acid, acetic acid, is already present
a voltaic cell consists of mnmn2 and cdcd2 half-cells containing equal volumes of solutions with the following initial
Acetaldehyde decomposes at 750 K: CH3CHO â†' CO + CH4. The reaction is first order in acetaldehyde and the half-life of the reaction is found to be 530 seconds. What is the rate constant for the reaction at this temperature?
the value of deltagdeg for the conversion of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate gap is 7.53
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