Question

Which of the following has the greatest mass? (1pt)

A)5 moles of Sodium (Na)
B)5 moles of Phosphorus (P)
C)5 moles of Argon (Ar)
D)They all have the same mass

Answer 1

C) 5 moles of Argon (Ar)

Step-by-step explanation:

5mol Na x 22.990g Na/ 1 mol Na = 114.95g Na

5mol P x 30.974g P/ 1 mol P = 154.87g P

5mol Ar x 39.948g Ar/ 1 mol Ar = 199.74g Ar

Therefore Ar has the greatesr mass.