There is approximately 1 g of graphite in a pencil. How many moles of carbon atoms are there in 1.0 g of graphite?
Which of the following is furthest from a mole of molecules/formula units?
Which of the following is furthest from a mole of atoms?
Which of the following contains the greatest number of moles of oxygen atoms?
Which of these has the greatest mass?
When 10.00 g of water partially evaporates, water molecules are removed as vapor. Calculate the mass of water remaining.
Calcium carbonate has the formula .
What is the mass of one mole of calcium carbonate to the nearest gram?
What is the mass of one formula unit of calcium carbonate to 3 significant figures?
Calculate to 3 significant figures the number of moles present in 500 g of pure calcium carbonate.
Which of the following represents the greatest mass?
A packet of an artificial sweetener contains 40.0 mg of saccharin , which has the structural formula:
Saccharin has a molar mass of 183.18 g/mol.
How many saccharin molecules are there in the packet of artificial sweetener?
How many carbon atoms are there in this quantity of saccharin?