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1.True or false about an acid base buffer solution a) it can be prepared by comb

ID: 960119 • Letter: 1

Question

1.True or false about an acid base buffer solution
a) it can be prepared by combining a strong acid with a salt of its conjugate base
b) it can be prepared by combining a weak acid with a salt of its conjugate base
c) it can be prepared by combining a weak base with its conjugate acid
d) the ph of a buffer solution does not change when the solution is diluted
e) A buffer solution resists changes in its ph when an acid or base is added to it

2. arrange the following 0.10 m aqueous solutions in order of increasing ph, naoh, hbr, nach3co2, kbr, nh4br

Explanation / Answer

1.

(a) False

(b) True

(c) True

(d) True

(e) True

2.

Increasing ph, ,

HBr, CH3COONa, KBr, NH4Br, NaOH

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