Which has more caffeine black coffee or Mountain Dew?

Here's a general breakdown:

* Black coffee: Can range from 80-100mg of caffeine per 8oz cup, depending on the type of beans, brewing method, and strength.

* Mountain Dew: Contains around 54mg of caffeine per 12oz can.

However, it's important to note that:

* Caffeine content can vary greatly within both coffee and Mountain Dew depending on the brand, specific product, and size.

* Individual sensitivities to caffeine differ widely.

Therefore, it's always best to check the specific product label for accurate caffeine content.