For problems 2 & 3, the density of the sample is 0.9977 g/ml and the molar mass of calcium carbonate is 100.0 g/mol. 2. calculatethemass(ingrams)50.00mlsam pleof an aqueous calcium carbonate standard, assuming the standard is known to have a hardness of 75.0 ppm (hardness due to caco3).
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Chemistry, 22.06.2019 16:30
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
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Chemistry, 22.06.2019 21:00
Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.
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Chemistry, 23.06.2019 00:00
How is the way a mixture is combined different from how a compound is combined?
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For problems 2 & 3, the density of the sample is 0.9977 g/ml and the molar mass of calcium carb...
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