Question

hi guys Answer all questions
(1) CONVERT INTO MOLE
(1)20g OF WATER
(2)32g OF CARBON DIOXIDE
(2)describe an activity to prove that the object of density less than water float on it ?

Answer 1

(1) mole = 20/18 = 10/9
(2) mole = 32/44 = 8/11
(3) make a feather and a iron nail float, feather whose density is less than water will float where as iron whose density is more than water will sink.