Kalai

If you were to count one number per seconds and counted seven hours per day how long would it take you to count a billion

Hydrochloric acid is typically purchased in a relatively highly concentrated form and then diluted by adding slowly to water to save money. The concentration of the purchased solution is 37.0% by mass HCl, and this solution has a density of 1.20 g/mL. Wha...

137.7