Question

Which of the following has the largest number of atoms? (A) 0.5 g-atom of copper (B) 0.635 g of copper (C) 1 × 1023 atoms of copper (D) 63.5 mg of copper

Answer 1

Answer:

(A) 0.5 mol. Copper

Explanation:

Let's convert each of the given options into grams:

(A) = $\frac{63.5}{2}$ = 31.75 grams of Cu

(B) = 0.635 grams of Cu

(C) = 10.54 grams of Cu

(D) = 0.0635 grams of Cu

Therefore, the option with the most grams of Cu is (A).