1mole contains 22.4Lmol^-1
xmole contains 8.943
cross-multiply
x=1×8.943/22.4
x=0.40mole
there it contains 0.40moles.
Sorry if I'm wrong but I think that it is B.
Answer:
1. A long crack in the oceanic crust forms at a mid ocean ridge
Explanation:
Answer:
ooooooooooooooooooh i dont know this one
Explanation:
im not good a math at all
The first ionisation energy of silicon is greater than that of phosphorus.
