Percentage yield = amount of product produced divided by maximum amount of product possible X100
- Atoms are never lost or gained in a chemical reaction.
- Atom economy = measure of the starting materials that end up as useful products.
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RFM % mass = mass of element (Ar) divided by relative formula mass (Mr) X100
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A mole = measure of the number of particles contained in a substance.
Element ------> mass of one mole = relative atomic mass
Compound ------> mass of one mole = relative formula mass.
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