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Find the pH during the titration of 20.00 mL of 0.1820 M nitrous acid, HNO2 (Ka...

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Chemistry

Find the pH during the titration of 20.00 mL of 0.1820 M nitrousacid, HNO2 (Ka = 7.1 ✕ 10-4), with 0.1820 M NaOH solution after thefollowing additions of titrant. (

a) 0 mL

(b) 10.00 mL

(c) 15.00 mL

(d) 19.00 mL

(e) 19.95 mL

(f) 20.00 mL

(g) 20.05 mL

(h) 25.00 mL

Answer & Explanation Solved by verified expert
4.4 Ratings (872 Votes)
pH during the titration of 2000 mL of 0182 M nitrous acid HNO2aq Haq NO2aq 0182x M x M x M Ka H A HA 71x104 xx 0182 x Since the amount of x is very small compared to 0182 M it is neglected 71x104 xx 0182 x H 1136 x 102M pH log 1136 x 102 1944 pH during the titration of 2000 mL of 0182 M nitrous acid with 1000 mL of 0182 M NaOH moles of nitrous acid 0020 L x 0182 molL 000364 moles moles of NaOH 0010 L x 0182 molL    See Answer
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