If you want to produce 30.0 ml of gas by bubbling it through water at 23 C and 99.85 kPa, how many grams of sodium bicarbonate would you need to add to acetic acid?

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

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Can someone me with questions 12 and 13 plz.