Two solutions of equal concentration, with equal osmotic pressure are said to be
isotonic. What is the molar concentration
of a urea solution that is isotonic with
seawater at 25°C?

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

What is the molar mass of a gas that has density of 2.054 g/l

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years