Calculate the mass of chloroform actually injected onto the GC column when you injected pure chloroform at the beginning. To do this you will need the volume injected, the split ratio, and the density of the compound. The split ratio is the volume injected that does not go to the column (and is vented instead) for every volume that does go onto the column. For example, if the split ratio is 100:1, then only 1/101 of the amount injected from the syringe actually goes onto the column (one part to the column, 100 parts vented). Express the answer in micrograms.
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Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
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Calculate the mass of chloroform actually injected onto the GC column when you injected pure chlorof...
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