2. contrast the effectiveness of the two solvents. for the inks investigated, alcohol was a better solvent than oil.

3. what is the identity of the mystery ink in the note? use the evidence to support your claim.

the mystery ink in the note was most likely the red ink because that ink separated into the same pattern of the pigments during the chromatography experiment.

4. what observations would lead you to believe that a colored ink is actually a mixture?

i would believe a colored ink is a mixture if i see it…

5. you are given an unknown type of clothing dye. how could you use the procedure in this lab to see if this dye is a mixture?

type your answer here…

pop pop pop on a opp

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them