Which of the following has the smallest mass? O 1.40 x 1024 molecules of 12 O 0.010 kg of Br2 O 5.00 x 1024 molecules of 12 O85.0 g of Cl₂ O 7.50 mol of F2

MindTap - Cengage Learning X b Answered: Determine the pH du x + ng cengage.com/static/nb/u/evo/index.html?deploymentid=55750823468596024212874980&elSBN=9781305657571&snapshotid=3054066&id=155276463.... arch Maps 2 req 2 req 2 req 2 req 2 req X PA Back F6 96 Use the References to access important values if needed for this question. A buffer solution contains 0.234 M C6H5NH3 Br and 0.315 M C6H5NH2 (aniline). Determine the pH change when 0.090 mol HI is added to 1.00 L of the buffer. (Assume Kb(C%HNH,)= 7.4 × 10-10.) pH after addition - pH before addition Submit Answer 4. Buffer + Strong Acid or Base (Henderson-Hasselbalch): This is group attempt 1 of 5 FO X F7 & KEN W References FB pH change Autosaved at 10:38 PM OX FO 018 F10 F11 GEI F12 Regenerate Group (4) (0 Next 10:38 PM 11/3/202 Insert PrtSc

Please Answer Part "B". Part "A" is attached for reference.

Select one for each box

please give calculation as well. Calculate the pH value of each of the solutions in tubes 1-9 using the Henderson-Hasselbalch equation (H-H eqn).Determine the pl of casein. Compare your experimental values with those found in the literature. Biomolecules. Thank you! The protein is casein.

Give typed full explanation not a single word hand written otherwise leave it   Calculate the pOH of a 9.5 x 10-2mol L-1solution of ascorbic acid (Ka1 = 7.9 x 105, Ka2= 2.5 x 10-12). Show your work evaluating the validity of an appropriate simplifying assumption.

C7H12O4 I need help answering 2 3 4 5  For IHD please show step by step  ir analysis, frequency, functional group ester, alkane etc. appearance like strong medium weak  5 I need to match the peaks with the proton structure