How many moles are in 11.5 L of a gas at STP?

0.51mole

Explanation:

Given parameters:

Volume of gas  = 11.5L

Unknown:

Number of moles = ?

Solution:

Since the gas is at STP,

     Number of moles  =  

    Insert parameters:

 Number of moles  =   = 0.51mole

to make a supersaturated solution, make a saturated solution of sugar by adding 360 grams of sugar to 100 ml of water at 80 degrees celsius. when the water cools back down to 25 degrees, that 360 grams of sugar will still be dissolved even though the water should only dissolve 210 grams of sugar.

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.