What are the products of the following neutralization reaction? (No need to balance) H2CO3 + NaOH --> ? ?

A.)H2O + Na2CO3
B.)H30+ + NaCO3
C.)H20 + NaCO3
D.)H30+ + Na2CO3

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

What is the molar mass of potassium nitrate, kno3

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules