How many moles would 1.00 x 10 ^23 molecules of methane represent?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use