1. How many grams does 10 moles of Carbon weigh?

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

What is the number of neutrons in an atom with atomic mass of 35