How many moles of carbon are there in a 0.70 g (3.5 carat) diamond?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Organisms are classified as producer or consumers according to the way they ?