Answer:
53g
Explanation:
done the topic
449 (g K) / 39.1 (g/mol K) = 11.5 mol K
Potassium has atomic number 39.1
amount of K in 449g sample = 449/39.1 = 11.5 mol
Saffi only
I just took the test and that was the correct answer :)
B. cocamide DEA
C. folic acid
D. iron
G. lauryl glucoside