Calculate the molar mass of a sample if a single molecule weighs 2.55 x 10^-23 g.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

Which formula can be used to calculate the molar mass of hydrogen peroxide