Can someone help me. I fell asleep in class. T-T
1 answer:
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a. pH=2.07
b. pH=3
c. pH=8
<h3>Further explanation</h3>pH=-log [H⁺]
a) 0.1 M HF Ka = 7.2 x 10⁻⁴
HF= weak acid
b) 1 x 10⁻³ M HNO₃
HNO₃ = strong acid
c) 1 x 10⁻⁸ M HCl