4.Hagrid is attempting to determine the best food for the flobberworms. He had his students recording the length and weight of the worms on a daily basis. All flobberworms aregiven 10g of food daily and 5g of water. He has determined the flobberworm who was fed pumpkinshas grown the most and the one who was fed the lettuce grew the least. Test (independent) Variable:
Result (dependent) Variable:
Constants:

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.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

How many grams of sodium chloride are in 250ml of a 2.5m naci solution