Question

The mass of 1 mole of a substance is equal to

(a) No. of Protons

(b) No. of Electrons

(c) Atomic mass

(d) Atomic Number​

Answer 1

Answer:

c) atomic mass.

Explanation:

The mass of one mole of a substance is equal to that substance's molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.

Answer 2

Answer:

The sinuses are a connected system of hollow cavities in the skull. The largest sinus cavities are about an inch across. Others are much smaller. Your cheekbones hold your maxillary sinuses (the largest). The low-center of your forehead is where your frontal sinuses are located.