Directions Complete this test and pass in the sheet (also posted) on or the date

Question

Directions Complete this test and pass in the sheet (also posted) on or the date of the Unit 1 ID) and fi answer (the before student answer the be to enter your last digits of your appropriate bubbles. I wILL NO LA SHEETs AFTER THE NOVEMBER 21. GET IT TO ME BY EMAIL OR IN PERSON NO TER THAN 11:59 PM ON 1. In the reaction Hso4 roa) omoaq) soa 2-daq) H20XI, the conjugate acid-base pairs are and Sov and Hao iuso." and Hao. sou and Nsou" and OH A) A B) B DOD E) E 2. Identify the conjugate base of HPO. A) H20 B) H2PO4 D) PO4 3. Which one of these statements about strong acids istrue? A) All strong acids have Hatoms bonded to electronegative oxygen atoms. B) Strong acids are 100% ionized in water. C) The conjugate base of a strong acid is itselfa strong base D) Strong acids are very concentrated acids. E Strong acids produce solutions with a higher pH than weak acids. 4. What is the H+ ion concentration in a 4.8 x 10-2 M KOH solution? A) 4.8 x 10-2 M B) 1.0 x 10-7 M C 4.8 x 10-11 M D) 4.8 x 12 M E 2.1 x 10 13 M 5. Which of the following solutions is acidic? A)[H301-70 x 10-7 M B)[H30 1.5 x 10-10M D)[H3o 7.0 x 10-7 M

Explanation / Answer

1)
HSO4- is acid and SO42- is its conjugate base
OH- is base and H2O is its conjugate acid
Answer: A

2)
Conjugate base is formed after removing H+
Answer: D

3)
Answer: B

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