Answer:
32 grams
Explanation:
To find the molar mass of oxygen gas, you need to take a look at it's molecular formula. Oxygen is O2, and since each oxygen molecule has a molar mass of 16, 2 of them together have a molar mass of 32 grams. Hope this helps!
b All of them are highly reactive nonmetals
8
the number before the abbrviation for calcium (Ca) shows how many calcium there is.
Pressure = Force/Area
therefore,
P = 15/0.00372
= 4.03 X10^³N/m²
Clean Air So B
