A flask with a tap has volume 200cm^3 When full of air, the flask has a mass of 30.98g
The flask is connected to a vacuum pump, the air is pumped out and then the tap is closed. The flask now has a mass if 30.72g

Calculate the mass of the air in the flask before connecting to the vacuum pump, in grams.

possibly, yes.

explanation:

the amount of sugar you take in is dangerously high, risk of heart disease, high risk of diabetes, and etc.

it means there are 3 atoms of oxygen

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

answersilicon (si); oxygen (o);