What is the mass of 6.00 cm^3 of mercury, density = 13.5939 g/cm^3?

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

How many moles are equivalent to 55.5g of nano3

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.