Determine numbers of milligrams are weighed out to produce


1. The clay impurity loses 11% of its weight as moisture on prolonged heating. 5g of chalk on heating shows a loss in weight (due to evolution ofCO2 and water) by 1.1g. A sample of chalk contains clay as impurity.  Determine the percentage of chalk in sample.

2. Determine the numbers of milligrams are weighed out to produce the 1 ml of .5% bromo phenol solution?

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Chemistry: Determine numbers of milligrams are weighed out to produce
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