8. A chemist mixed 57.9 ml of 0.222 M HNO, with 45.7 ml of 0.345 M KOH. K, HNO, is 4.5 x 104. a. Determine the number of moles of HNO2. b. Determine the number of moles of KOH. c. Which substance is in excess?
8. A chemist mixed 57.9 ml of 0.222 M HNO, with 45.7 ml of 0.345 M KOH. K, HNO, is 4.5 x 104. a. Determine the number of moles of HNO2. b. Determine the number of moles of KOH. c. Which substance is in excess?
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ChapterU4: Toxins: Stoichiometry, Solution Chemistry, And Acids And Bases
SectionU4.21: Neutral Territory: Neutralization Reactions
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![8. A chemist mixed 57.9 ml of 0.222 M HNO, with 45.7 ml of 0.345 M KOH. K, HNO, is 4.5 x 104.
a. Determine the number of moles of HNO2.
b. Determine the number of moles of KOH.
c. Which substance is in excess?
d. Determine the pH of the mixture.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd86e2176-2b92-4a94-a128-f6a0aba0ae4d%2F112592c9-7b08-4e5b-8b0e-bd843b93bc83%2Fqspugoo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. A chemist mixed 57.9 ml of 0.222 M HNO, with 45.7 ml of 0.345 M KOH. K, HNO, is 4.5 x 104.
a. Determine the number of moles of HNO2.
b. Determine the number of moles of KOH.
c. Which substance is in excess?
d. Determine the pH of the mixture.
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