Which of the following is a strong acid? a) HCl b) HNO3 c) Both a and b d) Neither a nor b
Mineral acids are strong acid . Since HNO3 and HCl ionised completely in water (100%) . So both are strong acid.
Organic acids are weak acids.
Hence answer is (c) both a and b
Which of the following is a strong acid? a) HCl b) HNO3 c) Both a and...
Calculate the pH of each of the following strong acid solutions. (a) 0.00851 M HCl pH = (b) 0.714 g of HNO3 in 18.0 L of solution pH = (c) 62.0 mL of 4.90 M HCl diluted to 3.00 L pH = (d) a mixture formed by adding 55.0 mL of 0.00326 M HCl to 46.0 mL of 0.00896 M HNO3 pH =
5) Of the following acids, ________ is a strong acid. A) HNO2 B) H2CO3 C) HNO3 D) HClO 6) Calculate the hydrogen ion concentration in a solution of iced tea with lemon having a pH of 2.87. A) 2.9 x 10–2 M C) 1.3 x 10–3 M 7) Which one of the following is the weakest acid? A) HF (Ka = 6.8 × 10-4) B) HClO (Ka = 3.0 × 10-8) C) HNO2 (Ka = 4.5 × 10-4) D) HCN...
which ranking of acid strength below is incorrect? A. HBrO3<HClO3 B. H3PO4>HPO4^2- C. HCl<HBr D. HNO3<HNO2 E. H2S>PH3
calc pH of ea strong acid solution (express in 3 decimals) a. 2.11×10−2 M HNO3 b. 0.220 g of HClO3 in 1.80 L of solution c. 10.00 mL of 2.00 M HCl diluted to 0.530 L . d. mixture formed by adding 60.0 mL of 2.5×10−2 M HCl to 160 mL of 1.0×10−2 M HI.
8. Identify the following as a strong acid, a strong base, a weak acid, a weak base, or a neutral solution: a. LiBr b. LiOH c. H20 d. HNO3 e. HOBr f. CH3NH2 g. NH3 8. Identify the following as a strong acid, a strong base, a weak acid, a weak base, or a neutral solution: a. LiBr b. LiOH c. H20 d. HNO3 e. HOBr f. CH3NH2 g. NH3
Which Bronsted-Lowry acid is not considered to be a strong acid in water? HNO3 HBr HIO4 HI
NaOH can be classified as a Select one: a strong acid b. weak acid c. strong base d. weak base HCl can be classified as a Select one: a strong acid b. weak acid C. strong base d. weak base CH3NH2 can be classified as a Select one: a strong acid b. weak acid C. strong base d. weak base A substance that can act as either an acid or as a base is Select one: a. amphoteric b. mesomorphic...
Which of the following is a strong electrolyte? A. HNO3(aq) B. NH4NO3(aq) C. Al(NO3)3(aq) D.All of the above O C A& C A D
Calculate the pH and pOH of the following solutions: a. stomach acid in which [HCl] = 0.155 M b. 0.00500 M HNO3 c. a 2:1 mixture of 0.0125 M HCl and 0.0125 M NaOH d. a 3:1 mixture of 0.0125 M H2SO4 and 0.0125 M KOH
Nitric acid, HNO3, is a strong acid What is the pH AND [ OH-] of a 0.050 M solution of HNO3 at 25 degrees