Question

how many moles of water are in your brain

Answer 1

Dear , please find the answer slide given below

2 Thousand 19 WEDNESDAY MAY DAY 149-216 WEEK 22 Here two factors are important, Demity & Avagadro's No (N) (N) is a constant called Avogadro's no f its equal to 6.022 x 1023 ators / mole. A litre of H₂O is 1000 cubic centimetres, water is made up of a hydrogen abry f one oxygen atoms. molecular wt a tho is 18 (H₂ = 240=16) The life of H₂O has 1000 grams. The no of moles = 1000/18 1100 - No of moles= 1000/18 = 55.556 moles. 23 lecules = 6.022 x 10 x 55.556 = 3.346x10 molecules 200 00 The no of atoms is 3 times larger because each molecule has thoce atoms, so there are 10038x1020 atoms in a life of H₂o. brain Now, human weights about 10-12 pounds, A pound is 454 grams so a 10 pound human head is 4540 grams. Moles per head = 4540 gm 18 gminole 252,22 moles Ho 2.52.22 moles Moles per hea JUN 2019 T F S 1 S 2 M 3 T W T F S S M T W T F S S M T W T F S S M T W T F S S 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 There are two things 10 Aim at to get what you want and enjoy it!