Please help! I have a picture of what the problem is but am not sure how to solve what it’s asking

Answer:
62.21 gm
Explanation:
From periodic table K = 39 I = 126.9
mole weight = 39 + 126.9 = 165.9
.750 Molar = .75 * 165.9 = 124.425 gm per LITER
you only need 1/2 of a liter so ===> 1/2 * 124.425 = 62.21 gm