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NABP Exam NAPLEX Topic 3 Question 88 Discussion

Actual exam question for NABP's NAPLEX exam
Question #: 88
Topic #: 3
[All NAPLEX Questions]

What is the amount of potassium permanganate in 300mL of a 1 in 25 solution?

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Suggested Answer: C

We have 1g of potassium permanganate in 25mL We have 300mL of solution

For every 25mL of that 300mL, we have 1g of KmnO4

300mL must have 12g of potassium permanganate (300ml/25mL)


by Winfred at Aug 02, 2024, 03:46 AM

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Louis
6 months ago
I calculated it, and it's actually 12 grams. The formula is (Volume of solution in mL * % concentration) / 1000.
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Helga
6 months ago
I'm not sure, but I think it's 14 grams.
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Harley
7 months ago
I believe it's 8 grams.
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Coleen
7 months ago
Hmm, this reminds me of that time I tried to make homemade lava lamps. Let's just say, the results were a little... explosive.
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Kristeen
6 months ago
C) 12 grams
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Cory
6 months ago
B) 8 grams
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Moon
6 months ago
A) 1 gram
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Kristofer
7 months ago
I think it's 12 grams.
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Blossom
7 months ago
I'm not sure, but I think it's 1 gram.
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Regenia
7 months ago
Well, if it's a 1 in 25 solution, then the concentration of the solute is 1/25, which is 0.04. Multiplying that by the volume of 300mL, we get 12 grams. I'll go with C.
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Genevive
7 months ago
Yeah, C seems to be the correct answer based on the concentration calculation.
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Elbert
7 months ago
I think it's 12 grams too. C sounds right.
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Felicidad
8 months ago
Okay, let's think this through. 1 in 25 means 1 part solute to 25 parts solvent. So we need to find the amount of solute in 300mL of that solution.
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Tamekia
6 months ago
C) 12 grams
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Chauncey
7 months ago
B) 8 grams
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Gertude
7 months ago
A) 1 gram
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Luisa
8 months ago
I'm going with 14 grams.
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Milly
8 months ago
I believe it's 8 grams.
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Herminia
8 months ago
Hmm, I'm pretty sure it's not 14 grams. That seems way too high for a 1 in 25 solution.
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Shelba
7 months ago
Hmm, I'm pretty sure it's not 14 grams. That seems way too high for a 1 in 25 solution.
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Iluminada
7 months ago
C) 12 grams
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Layla
7 months ago
B) 8 grams
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Cary
7 months ago
A) 1 gram
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Mitsue
8 months ago
I think it's 12 grams.
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