A buffer solution was made by mixing 2.00 L of 1.500 M potassium nitrite with 1.00 L of 1.476 M Mitrous Ka (nitrous acid) 4.5*10-4 For all to the following questions, write your answer as a normal number to three significant figures (a) The molarity of the conjugate base in the solution at the instant of mixing is (b) The molarity of the weak acid in the solution at the instant of mixing is (c) The pH of the buffer after the mixing of the two solutions is Use the i

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A buffer solution was made by mixing 2.00 L of 1.500 M potassium nitrite with 1.00 L of 1.476 M nitrous acid.
Ka (nitrous acid) = 4.5 x 10-4
For all to the following questions, write your answer as a normal number to three significant figures.
(a) The molarity of the conjugate base in the solution at the instant of mixing is
(b) The molarity of the weak acid in the solution at the instant of mixing is
(c) The pH of the buffer after the mixing of the two solutions is
Use the rules applicable to significant figures.
(d) 19.04 g NaOH (39.9971 g/mol) is dissolved in this buffer solution (assume this causes no change in the volume of the solution) and reacts. The mole of
added base remaining after the reaction is
(e) At the same time, the moles of weak acid remaining is
(f) At the same time, the moles of the conjugate base remaining is
(9) THe pH of the buffer solution after the added base has reacted, is
Use the rules applicable to significant figures.
Transcribed Image Text:A buffer solution was made by mixing 2.00 L of 1.500 M potassium nitrite with 1.00 L of 1.476 M nitrous acid. Ka (nitrous acid) = 4.5 x 10-4 For all to the following questions, write your answer as a normal number to three significant figures. (a) The molarity of the conjugate base in the solution at the instant of mixing is (b) The molarity of the weak acid in the solution at the instant of mixing is (c) The pH of the buffer after the mixing of the two solutions is Use the rules applicable to significant figures. (d) 19.04 g NaOH (39.9971 g/mol) is dissolved in this buffer solution (assume this causes no change in the volume of the solution) and reacts. The mole of added base remaining after the reaction is (e) At the same time, the moles of weak acid remaining is (f) At the same time, the moles of the conjugate base remaining is (9) THe pH of the buffer solution after the added base has reacted, is Use the rules applicable to significant figures.
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