Question

how many moles of silicon (Si) atoms are equivalent to 65.8g Si?
A) 0.427 g
B) 2.34 mol
C) 4.70 g
D) 1,850 mol
Please explain this because I'm hopeless and lost!!

Answer 1

Hello,

B) 2.34 mol

Plz mark me brainliest!

Hope this helps!

Answer 2

using the periodic table find the molar mass of silicon

(28.0855)

 then divide the grams by that:

65.8 / 28.0855 = 2.34

Answer is B.

I explained it like you asked.