Question

32. Assuming the human body contains 80% water. Calculate
the number of molecule of water that are present in the
body of a person has a mass of 65 kg -
(1) 6.02 x 1021 (2) 1.74 x 1027
(3) 2.63 x 1028 (4) 9.19 x 1025​

Answer 1

Answer:

Wt. of water in human body = 65×80100 = 52kg

18gmH2Ohas=6.022×1023 molecules

52×103gm=6.023×102318×52×103= 17.39×1026= 17.4 x 1026 (estimated)

Answer 2

Answer:

please take photos clear