Researchers at the National Institute of Standards and Technology (NIST) have developed a new mathematical formula to calculate the concentration of particles suspended in a solution. The new approach ...
\(concentration~in~g~dm^{-3}=\frac{mass~of~solute~in~g}{volume~in~dm^{3}}\) The units for concentration are also shown as g/dm 3, but this means the same as g dm-3. 8 g of sodium hydroxide is ...
The speed of a chemical reaction is affected by temperature, concentration, particle size and the presence of a catalyst. It can be calculated by measuring changes in reactants/products. Revise: ...
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