PTCB PTCE Exam - Topic 5 Question 62 Discussion

Actual exam question for PTCB's PTCE exam

Question #: 62
Topic #: 5

[All PTCE Questions]

How many ML of active ingredient are in 1.5 Liter of a 17.5% solution?

A525.0

B375.5

C325.0

D262.5

Show Suggested Answer

Suggested Answer: D

by Alecia at Dec 11, 2022, 07:54 PM

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Sommer

4 months ago

Just did the math, and yeah, it's definitely 262.5 mL.

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Fabiola

4 months ago

I thought it would be higher, like 525 mL.

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Antione

4 months ago

Wait, how did you get that? Seems off to me.

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Dahlia

4 months ago

Totally agree, D is the right answer!

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Kenneth

4 months ago

It's 262.5 mL of active ingredient!

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Rickie

5 months ago

I feel like 17.5% of 1500 mL should give us a straightforward answer, but I’m confused about the final calculation.

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Brock

5 months ago

I practiced a similar question last week, and I think the formula is just the volume times the percentage, but I can't recall the exact steps.

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Yoko

5 months ago

I remember something about calculating the percentage of a solution, but I'm not sure if I multiply or divide after that.

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Stevie

5 months ago

I think we need to convert 1.5 liters to milliliters first, which is 1500 mL, right?

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Johanna

5 months ago

Hmm, this looks like a tricky OSPF router ID question. I'll need to carefully read through the command sequence and think about how OSPF router IDs are determined.

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Rex

5 months ago

I'd look for a setting that might accidentally disable data recording during the test configuration process.

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