How many mol of potassium (K) are present in cereal that claims to have 7.00 g of potassium per serving?

Question

Periodic Table Reference Sheet

2.74 × 10^2 g K
1.79 × 10^–1 g K
3.13 × 10^–1 g K
1.57 × 10^1 g K

1.57 × 10^1 g K?

Answer 1

mols = grams/atomic mass = ?

Answer 2

what was the answer bruh

Answer 3

It is not 2.74 or 3.13

Answer 4

The correct answer is 1.79 × 10–1 g K