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A solution contains 20% (w/w) of glucose. If the total mass of the solution is 2
A solution contains 20% (w/w) of glucose. If the total mass of the solution is 200 g, what is the mass of glucose in the solution?
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Q1
A solution contains 20% (w/w) of glucose. If the total mass of the solution is 200 g, what is the mass of glucose in the solution?
20 g
40 g
60 g
80 g
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Mass of glucose = (20/100) x 200 g = 40 g.
Questions & Step-by-step Solutions
1 item
Q
Q: A solution contains 20% (w/w) of glucose. If the total mass of the solution is 200 g, what is the mass of glucose in the solution?
Solution:
Mass of glucose = (20/100) x 200 g = 40 g.
Steps: 5
Show Steps
Step 1: Understand that '20% (w/w)' means that 20 grams of glucose are present in every 100 grams of the solution.
Step 2: Identify the total mass of the solution, which is given as 200 grams.
Step 3: To find the mass of glucose, use the formula: Mass of glucose = (percentage / 100) x total mass of solution.
Step 4: Substitute the values into the formula: Mass of glucose = (20 / 100) x 200 grams.
Step 5: Calculate the mass of glucose: (20 / 100) x 200 = 40 grams.
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