Which of the following 0.1 M aqueous solutions will have a pH of
7 at 25.0°C?
0.10 M NaOCl 0.10 M KCl
0.1 M NH4Cl
0.1 M
(CH3COO)2Ca
Group of answer choices
0.10 M KCl
0.10 M NH4Cl
both 0.10 M KCl and 0.10 M NH4Cl
0.10 M NaOCl
0.10 M (CH3COO)2Ca
Which of the following 0.1 M aqueous solutions will have a pH of 7 at 25.0°C?...
Which one of the following aqueous solutions will have a pH of 0.00 at 25 °C? (Kw = 1.0 ´ 10–14) 0.10 M HNO3 1.0 M NaOH 1.0 * 10^1 M HBr 1.0 M KCl 1.0 M HCl
Which of the following 0.10 M aqueous solutions gives the highest pH? A) CH3COOH (pKa = 4.75) B) HF (PK:= 3.45) C) H3PO4 (pKal = 2.12) D) HCIQ (Ka=2.00) E) Since all are acids, the pH is the same for all solutions. 5. Which one of the following salts gives an acidic aqueous solution? A) CsNO3 B) CaCl2C ) LiF D) Cr(CIO4)3 E) NaCH3CO2 6. 7. All of the following are strong acids except A) HCIQB) HC104 C) HI D)...
Compare the solubility of lead chloride in each of the following aqueous solutions: Clear All 0.10 M Pb(NO3)2 More soluble than in pure water. 0.10 M NH4Cl Similar solubility as in pure water. 0.10 M NaNO3 Less soluble than in pure water. 0.10 M NH CH3COO
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...
Compare the solubility of lead fluoride in each of the following aqueous solutions: Clear All 0.10 M Pb(CH3COO)2 More soluble than in pure water. 0.10 M NH4F Similar solubility as in pure water. 0.10 M NACH,COO Less soluble than in pure water. 0.10 M NH NO3 Submit Answer Retry Entire Group 9 more group attempts remaining
Calculate the approximate pH of an aqueous solution of ammonium chloride, NH4Cl , 0.03 M, and sodium acetate, CH3COONa, 0.12 M at 25°C. (Note: consider one decimal place for the pH answer.) pKa NH4+/NH3 = 9.24 pKa CH3COOH/CH3COO- = 4.76
Which of the following aqueous solutions would have the lowest vapor pressure? a) 0.15 m nacl b) 0.10 m mgcl2 c) 0.30 m ch3oh d) 0.10 m li3po4 explain to me why, please
Sort the following 0.1 M solutions in order of increasing pH ? ? NaCl ? NH4Cl ? NaNO2 ? NaCN Ka(HCN) = 6.2 x 10-10 ? Ka(HNO2) = 7.2 x 10-4 ? Kb(NH3) = 1.8 x 10-5
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
1. Which one of the following salts forms aqueous solutions with pH = 7? (Circle the correct answer) a) FeCl3 b) KBr c) LiClO2 d) NH4NO3 e) Na2CO3 2. Calculate the pH of a 0.150M solution of sodium acetate (NaC2H302) at 25°C. (Ka for acetic acid HC2H302 is 1.8 x 10-5)