1.2 mole concept : e) concentration
Quiz
•
Chemistry
•
12th Grade
•
Medium
Standards-aligned
Arifah Roslan
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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is molality?
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Total number of mol fraction for all component in the solution is equal to
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The molarity of a solution prepared by dissolving 45.0 g of glucose (C6H12O6) in 71.0 mL of water is
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many grams of chloride ions are there in 100 mL of 1.90 M aqueous solution of sodium chloride?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What mass, in grams, of sodium sulfate is needed to make 275 g total of a 1.5% aqueous solution of sodium sulfate?
6.0
7.5
4.1
2.2
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If you want to prepare a 200 mL aqueous solution of MgO which is 20% by mass magnesium oxide, how many grams of magnesium oxide would be needed?(assume that the density of the solution is the same as the density of water)
40 grams
50 grams
30 grams
20 grams
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