9. Complete the following chart: Mass # of protons 35 Element Atomic symbol number number Br 80 Zh Pb 我 Hg 0-2² AI+3 2 P-³ K* 35 30 82 44 8 13 15 19 65 207 128 198 90 16 27 31 30 39 82 55 8 13 15 # of neutrons 45 35 35 19 125 58 78 8 14 # of electrons 10 20 52 39 10 13 18 19 Hyphen Notation Bromine- Bo Zn-65 Pb-207 Nuclear Notation OXYsen -16 80 35 Br 207 aluminum-27 Phosphorus-31 Potassium-39 82fb 16 80 27 13 31 15 39 AI P 19 C

Help with the following question. Ksp for Co(OH)2 is 5.02 x 10^-6

Use the data in the table below to plot a standard curve (this must be submitted with the problem set) and determine the concentration of the unknowns if possible (Graph paper from the back of the lab manual must be used to create the standard curve). If it is not possible to determine the concentration of the unknown(s), state why and what you would need to do (explain in detail) in order to determine the concentration of the unknown(s). If the concentration of the unknown(s) can be determined, clearly illustrate this on the graph and clearly explain how you determined the concentration of the unknown(s).       SAMPLE PROTEIN  CONCENTRATION ABSORBANCE,  610 nm Standard 1 1 mg/ml 0.064 Standard 2 2.5 mg/ml 0.154 Standard 3 5 mg/ml 0.304 Standard 4 7.5 mg/ml 0.449 Standard 5 10 mg/ml 0.613 Unknown A   0.850 Unknown B   0.475

Can you please do this and send your working please and thank you

Real life applications of standardization of NaOH.

Box 1 and 2 box 1 answer choices: trial 1, trial 2, or trial 3. box 2 answer choices: trial 1, trial 2, or trial 3.