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elixir [45]
4 years ago
6

Standard pressure is 101.3 KPa, which is equal to 760.o mmHg. If gas has a pressure of 545 mmHg, what is its pressure in KPa to

the proper number of significant figures?
Chemistry
1 answer:
Wewaii [24]4 years ago
3 0

Answer:

72.6 kPa

Explanation:

We can use ratios to answer this question

760 mmHg : 101.3 kPa

545 mmHg : x

then we cross multiply keeping note of the unit

760x mmHg = 55 208.5 mmHg.kPa

x = 72.6 kPa

*It is worth noting that the k that represents kilo in kPa must be a small letter all the time

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