Balanced equations are used to allow chemists to calculate how much product they will produce from their reactants. The co-efficients in balanced equations represent the number of moles reacting and ...

Solutions are formed when solutes dissolve in solvents. If the number of moles of solute and the volume of solvent used is known, the concentration of the solution can be calculated. The concentration ...

People who have 11 or more moles on one of their arms could have a higher risk of the deadly skin cancer melanoma, according to a new study. Researchers counted the number of moles that study ...

THE number of moles on your right arm is an indicator of how likely you are to get skin cancer, a new study suggests. People who have more than 11 moles on their right arm could have a higher risk of ...