Question

Group the objects in the box on the basis of the given properties. One object can have more than
one property
(sleel knile, glass window pane, ceramic led cup, iron nall
, rubber tyres, cardboard case, teddy bear
blackboard marble statue)
Property. Objects
Lustrous
Rough
Hard
Transponent​

Answer 1

Since the density is equal to the mass divided by the volume, so the mass will be equal to the multiplication of the density and mass. Hence, we have given the one mole of the water in the problem. =6.023×1024 electron. Hence the total number of electrons present in 18mL water is 6.023×1024.