= Key Math Skill: Calculating pH and the Hydronium lon Concentration Learning Goal: The pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale: pH = -log[H3O+] [H3O+] 10-PH As pH decreases, acidity increases. As pH increases, acidity decreases. Acidic solution: pH <7 Neutral solution: pH = 7 Basic solution: pH > 7 esc 20 F1 55 @ 9 F2 #3 20 F3 DOD 000 S4 4 F4 Part A What is the pH of an aqueous solution with [H3O+] = 6×10-¹² M? Express the pH numerically using one decimal place. ▶View Available Hint(s) pH = Submit Part B Dr 15. ΑΣΦ Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a pH of 3.120? Express your answer with the appropriate units. ► View Available Hint(s) [H₂O¹] = % 5 LOM μA Value F5 A 6 ķ tv MacBook Air F6 Units 健康 ◄◄ 7 F7 ? ? * ▶11 8 F8 A F9

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= Key Math Skill: Calculating pH and the Hydronium lon Concentration
b
Learning Goal:
The pH expresses the molar concentration of hydronium ions in
an aqueous solution on a logarithmic scale:
pH = -log[H3O+]
[H3O+] = 10-PH
As pH decreases, acidity increases. As pH increases, acidity
decreases.
lock
• Acidic solution: pH <7
• Neutral solution: pH = 7
Basic solution: pH > 7
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Part A
What is the pH of an aqueous solution with [H3O+] = 6x10-12 M?
Express the pH numerically using one decimal place.
▶ View Available Hint(s)
pH =
Submit
Part B
[H₂O¹] =
F
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Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
What is the molar concentration of H3O+ in a cola that has a pH of 3.120?
Express your answer with the appropriate units.
View Available Hint(s)
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Transcribed Image Text:= Key Math Skill: Calculating pH and the Hydronium lon Concentration b Learning Goal: The pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale: pH = -log[H3O+] [H3O+] = 10-PH As pH decreases, acidity increases. As pH increases, acidity decreases. lock • Acidic solution: pH <7 • Neutral solution: pH = 7 Basic solution: pH > 7 esc Q F1 A 5761 Z @ 2 WID en 9 F2 W S 20 #3 X F3 E 00 DO D $ 4 DO C F4 R Part A What is the pH of an aqueous solution with [H3O+] = 6x10-12 M? Express the pH numerically using one decimal place. ▶ View Available Hint(s) pH = Submit Part B [H₂O¹] = F J % 5 VO VE Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a pH of 3.120? Express your answer with the appropriate units. View Available Hint(s) V ΑΣΦ F5 Value T μÅ G h ^ 6 MacBook Air F6 stv Y B Units & 7 H ARE POLIT F7 A U N ? P O * CO J (@) F8 1 M 9 W K F9 O L 0 L
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