Determine the mass, the grams, of each of the following substances.

a. 15.0 mol h2

b. 3.5 mol of n2

c. 2.69 mol of naoh

Define a is a tiny pavket of energy

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root

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