Question

What is the mass, in grams, of a sample of 6.98 × 1024 atoms of magnesium (Mg)?

Answer 1

1mol Mg contains 6.022*10^23 atoms
6.98*10^24 atoms = (6.98*10^24)/6.022*10^23) = 11.59mol

Molar mass Mg = 24.305g/mol
11.59mol = 11.59*24.305 = 281.72g Mg in sample.

Answer 2

thank you so much.

Answer 3

your welcome

Answer 4

whar kind of science classes are you in? im in chemistry

Answer 5

no, i m BS(Hons) Physics student

Answer 6

okay kool...