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Please provide detailed worked solution or explanation for all the questions. Which one of the following four solutions is the least acidic? Select

Subject: Chemistry.  

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Please provide detailed worked solution or explanation for all the questions. Which one of the following four solutions is the least acidic? Select 1: a. 1.0 mol L -1 HCl(aq) b. 1.0 mol L -1 HBr(aq) c. 1.0 mol L -1 H 2 SO 4 (aq) d. 1.0 mol L -1 HCHO 2 (aq) In the reaction, HSO 4 + HS H 2 S + SO 4 2– , which one of the sets below constitutes a conjugate acid-base pair? Select 1: a. HSO 4 , HS b. HSO 4 - , H 2 S c. HS - , H 2 S d. HS - , SO 4 2- Which one of the following four solutions is the least acidic? Select 1: a. 1.0 mol L -1 HNO 3 (aq) b. 1.0 mol L -1 HCl(aq) c. 1.0 mol L -1 H 2 SO 4 (aq) d. 1.0 mol L -1 HNO 2 (aq) In the reaction, HSO 4 + HS H 2 S + SO 4 2– , which one of the sets below lists both of the acid species involved in the equilibrium? Select 1: a. HSO 4 - , HS - b. HSO 4 - , H 2 S c. HS - , H 2 S d. HS - , SO 4 2- Which one of the following species is amphiprotic? Select 1: a. HBr(aq) b. HF(aq) c. SO 4 2- (aq) d. HCO 3 - (aq)
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An aqueous solution at 25.0 o C has an OH concentration of 3.4 × 10 –3 mol L –1 . What is the pH of this solution? Select 1: a. 11.53 b. 16.47 c. 7.22 d. 8.24 In the reaction, HSO 4 + HS H 2 S + SO 4 2– , which one of the sets below lists both of the base species involved in the equilibrium? Select 1: a. HSO 4 - , HS - b. HSO 4 - , H 2 S c. HS - , H 2 S d. HS - , SO 4 2- In the reaction, HSO 4 + CN HCN + SO 4 2– , which one of the sets below lists both of the acid species involved in the equilibrium? Select 1: a. HSO 4 - , CN - b. HSO 4 - , HCN c. CN - , HCN d. CN - , SO 4 2-
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Which one of the following four solutions is the least acidic? Select 1:
a. 1.0 mol L-1 HCl(aq)
b. 1.0 mol L-1 HBr(aq)
c. 1.0 mol L-1 H2SO4(aq)
d. 1.0 mol L-1 HCHO2(aq)
Explanation: HCOOH weakly...

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  • Please Rate the answer if u find it helpful. Happy Learning!
    • Gurudev_help
    • Apr 25, 2016 at 8:08am

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