uestion 11 A 0.01 M solution of has a pH of 10.0. NaClO3, RbBr Na2S, KF NH4Cl, NaClO4 NaCl, NH4CIO4 NaCl, NaNO3 Moving to the next question prevents changes to this answer.
PH solution 0.1 MC5H5NHCI 0.1 M KI 0.1 M KF | 0.1 M NaCN choose one A choose one choose one choose one - X 5 ?
will have a pH of 7.0 at 25.0 °C. A 0.2 M aqueous solution of NaF NaCl NaClO4 RbBr O A. RbBr and NaClO4 O B. LiF and RbBr OC. NaClO4 only OD. LiF only O E NaCl, NaClO4, and RbBr
Which one of the following solutions has the lowest pH? A. a 0.1 M solution of formic acid, HCOOH (Ka = 1.8 x 10-4) B. a 0.1 M solution of ammonium chloride, NH4Cl(s) (Ka (NH4+) = 5.6 x 10-10) C. a 0.01 M solution of acetic acid, CH3COOH (Ka = 1.8 x 10-5) D. a 0.01 M solution of formic acid, HCOOH (Ka = 1.8 x 10-4) E. a 0.1 M solution of acetic acid, CH3COOH (Ka = 1.8 x...
What is the osmolarity of a solution containing 0.1 M NaNO3 and 0.2 M NaCl?
Select any of the following combinations which would make a good buffer solution? O 0.3 M HC2H302 + 0.1 M HCI 0.05 M H2CO3 + 0.05 M KHCO3 0.05 M KC2H302 0 0.1 M HCN + 0.2 M NaCN 0.2 M NaF + 0.2 M NaOH O 0.3 M NH4CI O 0.2 M NH3 + 0.1 M NH4Br O 0.3 M NH4Cl + 0.1 M HCI O 0.3 M NH4Cl + 0.1 M NH3 O 0.5 M HI + 0.5...
1. BASE Problem Calculate the pH of a 103 M solution of Na2S.
Question 1 1 pts Consider a solution that is 0.1 M HF and 0.1 M NaF. This is a mixture of conjugates in equal proportions, which tells you that it is a buffer. What two reactions are relevant to the pH in this situation? NaF --> Nat + F F+H2O <--> HF + OH- HF + NaF --> H+ +Na+ + F2 HF <--> H+ +F Ht+F<--> Nat + F" Question 2 1 pts A buffer solution contains a mixture...
Question 14 1 pts A solution contains 0.1 M Ba2+ ions and 0.1 M Ag+ ions. Addition of an equal volume of a 0.5 M solution of which reagent will cause precipitation of a silver salt but not a barium salt? OKNO Na2SO4 Naci O NaNO3
Calculate the pH of a solution that is 0.25 M KF and 0.20 M HF. (Given: Ka (HF)-6.8x 10-4) O A. 3.26 O B. 3.36 O C. 3.46 D. 10.45 E. 10.64