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#16, 88 & 90
16. Write the formula for the conjugate acid of each of the following. a. CH NH2 b. PO, c. CN d. Он e. NO,
88. Suppose that 20.00 mL of a 0.100 M strong acid is titrated with 0.100 M strong base. Now suppose that 20.00 mL of a weak
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Answer #1

16)

conjugate acids :

a) CH3NH2   = CH3NH3+

b) PO43- = HPO42-

c) CN- = HCN

d) OH- = H2O

e) NO2- = HNO2

88)

Answer : d) the volume of the strong base needed to reach the equivalence point .

90)

Answer : b) It is triprotic

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