A) 75 kg
Answer^
Explanation:
a = Fnet / m : plug the numbers in
2.2 m/s ^2 = 165n /m : now cross multiple
22m / 165 : now divide 22 to both sides
M = 75
40.078 moles , just copied and pasted to google and this is what i got
B.) Candy Bar because contains multiple ingredients.
Hope This Helps! Have A Nice Day!!