Chemical technicians work with chemists and chemical engineers to develop, test, and manufacture chemical products ... chemical tests and experiments for quality, performance, or composition. Some ...
Finding the composition of unknown samples Calculating amounts of substances Calculating yields - OCR 21st Century Measuring the amounts of chemicals in solutions Sample exam questions - chemical ...
When using chemical formula it is possible to calculate the percentage composition of the chemical. This can be useful when extracting metals from ores or when making fertilisers for specific plants.
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