It is known that at if a gas is identified to be as ideal
gas then, at STP, the volume of 1 mole of that gas is equal to 22.4 L. Using
this fact and the given volume in this item, we determine the number of moles
as that below.
n =
(11.2 L of argon)(1 mol argon / 22.4 L of argon)
<span> n =
0.5 moles</span>
<span>Answer: 0.5 moles </span>
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Convert kg into L, then take the moles and divide it by the L of water
Answer: The final concentration of solution will be 0.9 M.
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.
where,
n= moles of solute
= volume of solution in L
Given : molarity = 0.6 i.e. 0.6 moles are present in 1 L of solution.
Given: volume is doubled and moles are tripled
Thus moles = 
volume =
Therefore, the final concentration of solution will be 0.9 M.
Jim collects a sample of beach sand during a class trip. After a close inspection of the sample he classifies it as a ____________ mixture. A) heterogeneous
