Apharmacist has a prescription for 30 ml of an eye drop that is to contain benzalkonium chloride 1: 750 as a preservative. on the shelf the pharmacist finds 17% benzalkonium chloride. using a dropper that delivers 25 drops/ml, how many drops will be required to prepare this compounded formula? (answer must be numeric; no units or commas; round the final answer to the nearest whole number.)

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".