A 200.00 g of city water was evaporated to complete dryness….
A 200.00 g of city water was evaporated to complete dryness. Data obtained during this experiment: Weight of the empty beaker: 157.72 g Weight of the beaker with residue (impurities): 160.06 g Calculate the impurities in the city water in PPM Hint: ppm = (weight of the residue in g / weight of the sample ) x 106
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