What is the mass of 1.56 × 10^21 atoms of magnesium in grams?
A) 4.72 × 10^-5
B) 0.0630
C) 0.142
D) 1.07 × 10^-4
E) none of the above
Answer: B
What is the mass of 1.56 × 10^21 atoms of magnesium in grams?
A) 4.72 × 10^-5
B) 0.0630
C) 0.142
D) 1.07 × 10^-4
E) none of the above