Define Normality in 1 -2 sentences. Which solution contains more acid, 50 mL of

Question

Define Normality in 1 -2 sentences. Which solution contains more acid, 50 mL of a 0.30 N HCI solution or 50 ml. of a 0.30 N acetic acid solution. Which has a higher hydronium ion concentration? Which has a lower pH? What is the approximate pi I ot a 0.03 M solution of a strong monoprotic acid, such as HCI? What is the approximate pH of a 0.03 M solution of a strong base, such as KOH? What are the two components of a butler system? How does a buffer work to hold pH nearly constant? Explain in 2-4 sentences. Write the formulas of the conjugate acids of the following Bronsted-Lowry bases: Indicate whether solutions of the following pHs are considered neutral, basic or acidic.

Explanation / Answer

5)Normality could be defined as the number of gram equivalents of a solute present per litre (dm 3) of the solution at any given temperature and It is expressed as N.

6)HCl is a strong acid and acetic acid is a week acid.. lower pH indicates strong acid nearer to 1 and weak acid is nearer to 7 , HCl has lower pH

8)its two components are weak acid and conjugate base.Its pH changes very little when a small or moderate amount of strong acid or base is added to it and thus it is used to prevent changes in the pH of a solution.

9)a)H3O+    b)NH4+ C) CH3COOH

10)a) base,b)acidic ,c)neutral,d) acidic

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