How many total atoms are in 0.190 g of P2O5?

In ${{\text{P}}_{\text{2}}}{{\text{O}}_{\text{5}}}$, five oxygen atoms and two phosphorous atoms are present, so the total number of atoms is seven.

2.89X10-³ .mol 6.022X10²³.mol-¹X7

P4O10

the dependant variable is spilled water

the independent is the heat

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a