Chemistry, 22.11.2019 03:31, jhanellemo0112
Abuffer consists of 0.21 m nah2po4 and 0.34 m na2hpo4. phosphoric acid is a triprotic acid (ka1 = 7.2 Γ 10β3, ka2 = 6.3 Γ 10β8, ka3 = 4.2 Γ 10β13). (a) which ka value is most important to this buffer? ka1 is most important. ka2 is most important. ka3 is most important. (b) what is the buffer ph?
Answers: 3
Chemistry, 21.06.2019 20:30, lemonsalt9378
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
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How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
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Chemistry, 22.06.2019 00:30, jamesnaquan132
What is the most stable monatomic ion formed from nitrogen
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Abuffer consists of 0.21 m nah2po4 and 0.34 m na2hpo4. phosphoric acid is a triprotic acid (ka1 = 7....
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