If you found that another pen contained exactly the same inks as the pen you analyzed what additional measurements would you need to make to determine if the inks are mixed in the same ratios?

answer: mercury

explanation:

thats a little if u want the answer just look it up on google thats what i do haha : )

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

fe 55.85 g/mol and h2o 18.02 g/mol.