10-Mole Fraction Flashcards
What is the mole fraction of NaCl in a mixture containing 7.21 moles NaCl, 9.37 moles KCl, and 3.42 moles LiCl?
0.36068034
A mixture contains 21.7 g NaCl, 3.74 g KCl, and 9.76 g LiCl. How many moles of NaCl are in this mixture?
0.37132101
A mixture contains 21.7 g NaCl, 3.74 g KCl, and 9.76 g LiCl. How many total moles are in this mixture?
.652
A mixture contains 21.7 g NaCl, 3.74 g KCl, and 9.76 g LiCl. What is the mole fraction of NaCl in this mixture?
.5690184
An aqueous solution contains 32.7% KCl (weight/weight%). How many grams of KCl are contained in 100 g of this solution?
32.7
An aqueous solution contains 32.7% KCl (weight/weight%). How many grams of water are contained in 100 g of this solution?
67.3
An aqueous solution contains 32.7% KCl (weight/weight%). What is the mole fraction of KCl in this aqueous solution?
.1051
The mole fraction of NaCl in an aqueous solution is .132. How many moles of NaCl are present in 1 mole of this solution?
.132
The mole fraction of NaCl in an aqueous solution is .132. How many moles of water are present in 1 mole of this solution?
.868
The mole fraction of NaCl in an aqueous solution is .132. What is the weight/weight % of NaCl in this solution?
33.07633
What is the mole fraction of KCl in a mixture of .564 g NaCl, 1.52 g KCl, and .857 g LiCl?
.402
What is the mole fraction of LiCl in a mixture of .564 g NaCl, 1.52 g KCl, and .857 g LiCl?
.40316206
What is the mole fraction of NaOH in an aqueous solution that contains 15% NaOH (weight/weight%)?
.07357269
What is the mole fraction of NaBr in an aqueous solution that contained 20.1% NaBr (weight/weight%)?
.0422
If the mole fraction of Na2S in an aqueous solution is .125, what is the weight/weight % (percent by mass) of Na2S?
38.2
