WhicII UT LIICIT
13.
A. (i) only B. (ii) only C. (iii) only D. (1),(11)&(111)
Use the...
Chemistry, 23.03.2021 22:10 Dogtes9667
WhicII UT LIICIT
13.
A. (i) only B. (ii) only C. (iii) only D. (1),(11)&(111)
Use the following data to answer questions 14 to 18
0.66g of an organic compound was subjected to Kjeldahl determination and the ammonia
produced was collected in 50cm' of 1.0M hydrochloric acid. On dilution to 250cm”, the acid
was titrated against 25.0cm portions of 0.1M sodium hydroxide solution. 31.25cm of acid was
required for each titration. [N=14; 0=16; H=1; C=12]
14. The number of mole of sodium hydroxide in 25cm' of the base is: A. 0.0023 B. 0.0022 C.
Answers: 3
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