question 3\nwhat is the ph of a solution that...
question 3\nwhat is the ph of a solution that has a concentration of h+ of 1.45 x 10^-10 m? is this solution acidic or basic?\n9.839 acidic\n9.839 basic\n1.450 acidic\n10.000 basic
Answer
# Explanation:
## Step1: Calculate the pH value
The formula for pH is \(pH = -\log[H^{+}]\). Given \([H^{+}]=1.45\times 10^{- 10}\) M. Then \(pH=-\log(1.45\times 10^{-10})\).
Using the logarithm property \(\log(ab)=\log a+\log b\), we have \(pH = -(\log1.45+\log(10^{-10}))\).
Since \(\log(10^{-10})=- 10\) and \(\log1.45\approx0.161\), then \(pH=- (0.161-10)=9.839\).
## Step2: Determine the solution property
The pH scale: \(pH < 7\) is acidic, \(pH = 7\) is neutral, \(pH>7\) is basic.
Since \(pH = 9.839>7\), the solution is basic.
# Answer:
B. 9.839 basic