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3 years ago

15

At what temperature, in °C, would 1.50 moles of Ar gas at a pressure of 2.3 atm, occupy a volume of 25.8 L? Round your answer to

the nearest hundredths. Don't forget to label your units. Show work.

1 answer:

Rama09 [41]3 years ago

5 0

Answer: I don’t know

Explanation:

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3 years ago

The mass percent of solute in a solution containing 3.73 g KBr dissolved in 131 g of H2O is:

Elina [12.6K]

$\huge \underbrace \mathfrak \red{Answer}$

28%

Explanation:

mass of solute(KBr) = 3.73g

mass of solvent(H2O) = 131g

mass of solution = mass of solute + mass of solvent

= 3.73 + 131

= 134.73g

$\sf \large {mass \: percentage = \frac{mass \: of \: solute}{mass \: of \: solvent} \times 100} \\ \\ \sf mass \: percentage = \frac{3.73}{134.73} \times 100 \\ \\ \sf mass \: percentage = 0.028 \times 100 \\ \\ \sf mass \: percentage = 28\%$

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