Chemistry, 29.01.2020 04:45 fendyli6066
Abuffer is made with sodium acetate (ch3coona) and acetic acid (ch3cooh); the ka for acetic acid is 1.80×10−5. the ph of the buffer is 3.98. what is the ratio of the equilibrium concentration of sodium acetate to that of acetic acid if you assume that the henderson-hasselbalch equation is accurate?
a. -0.760
b. 0.174
c. 0.840
d. 5.75
e. not enough information is given to answer this question.
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Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
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Abuffer is made with sodium acetate (ch3coona) and acetic acid (ch3cooh); the ka for acetic acid is...
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