The diagram illustrates the reaction that takes place when potassium is added to water. $\text{2K} + \text{2H}_2\text{O} \rightarrow \text{2KOH} + \text{H}_2$ Which row is the correct one?
- Adensity of potassium: high; pH of resulting solution: above 7
- Bdensity of potassium: high; pH of resulting solution: below 7
- Cdensity of potassium: low; pH of resulting solution: above 7
- Ddensity of potassium: low; pH of resulting solution: below 7