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a solution containing much acid dissolved in little water.
centre part of an atom with positive charge concentrated in a tiny kernel.
a molecule that is so big that we can see it, e.g. a diamond, a salt crystal and a piece of...
the reactant that is completely consumed and determines how much product can be formed.
single superphosphate fertiliser (SSP) is manufactured by adding sulfuric acid to phosphate...
a zigzag, stepped line on the periodic table that separates the metals from the non-metals.