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Pure water at 25 °C is heated to 60 °C, and Kw rises… | StemPy Lab
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Pure water at 25 °C is heated to 60 °C, and Kw rises. What is true of the hot water?
Chemistry
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High School (11–12)
Equilibrium › Ionic Equilibrium: Acids, Bases and pH
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Pure water at
25
∘
C
25\ ^\circ\text{C}
25
∘
C
is heated to
60
∘
C
60\ ^\circ\text{C}
60
∘
C
, and
K
w
K_w
K
w
rises. What is true of the hot water?
It has become basic
It has become acidic
It is still neutral, but its pH is below 7
Its pH is still exactly 7
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← Ravi makes a 0.0064 mol/L solution of a preservative acid HY, with Ka = 2.5 × 10⁻⁵. Working out the hydrogen ion concentration first, find the pH.
Ammonia has Kb = 1.8 × 10⁻⁵. What is the pH of a 0.16 mol/L solution of ammonium nitrate? →
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Equilibrium › Ionic Equilibrium: Acids, Bases and pH
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