6. (08.05 mc)\nwhat is the ph of a solution with a 4.60×10⁻⁴ m hydroxide ion concentration? (4…
6. (08.05 mc)\nwhat is the ph of a solution with a 4.60×10⁻⁴ m hydroxide ion concentration? (4 points)\n0.663\n3.33\n10.1\n10.7
Answer
Explanation:
Step1: Calculate pOH
pOH is calculated using the formula $pOH = -\log[OH^-]$. Given $[OH^-]=4.60\times 10^{-4}\ M$, so $pOH=-\log(4.60\times 10^{-4})$. $pOH = 3.337$
Step2: Calculate pH
We know that $pH + pOH=14$. So $pH = 14 - pOH$. $pH=14 - 3.337 = 10.663\approx10.7$
Answer:
10.7