Question

How many total atoms are in 0.580g of P2O5

Answer 1

2.46*10²¹

Step-by-step explanation:

atomic mass of p = 31

o = 16

molar mass of p2o5 = 31*2 + 16*5

=62+80

=142 g/mole

let atom number be x

0.580/142 = x/6.02*10²³

x = 0.58/142*[6.02*10²³]

x=2.46*10²¹