Answer:
1.09 L
Explanation:
There is some info missing. I think this is the original question.
<em>Calculate the volume in liters of a 0.360 mol/L barium acetate solution that contains 100 g of barium acetate. Be sure your answer has the correct number of significant digits.</em>
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The molar mass of barium acetate is 255.43 g/mol. The moles corresponding to 100 grams are:
100 g × (1 mol/255.43 g) = 0.391 mol
0.391 moles of barium acetate are contained in an unknown volume of a 0.360 mol/L barium acetate solution. The volume is:
0.391 mol × (1 L/0.360 mol) = 1.09 L
At standard temperature and pressure, one mole of gas occupies 22.4 L. Knowing this, we must convert the grams to moles and moles to liters to get your answer. Here's how you do it!
With significant figures accounted for, 5.8 grams of hydrogen gas occupies
65 L.
Hope this helps!
When the sweat evaporates in an endothermic exactions heat is also 'taken' from the body
Answer:
D. <span>10 mol of solute/ 1L of solution
Explanation:
Molarity is used to express the concentration of the solution. It is expressed as the number of moles of solute per liter of solution
Molarity = moles of solute / liters of solution
This means that molarity has the units moles/liter
The only option satisfying this is the last one.
Hope this helps :)</span>
