What is the molar mass of lithium fluoride?

Why is nh3 classified as a polar molecule

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?