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2 years ago

A gas tank holds 1125 mL of propane at 3.87 atm. What is the volume of the propane at 777 mm Hg?

Chemistry

1 answer:

olganol [36]2 years ago

5 0

Answer:

Propane tanks are most commonly referred to by their water capacity volume, and propane tanks are normally filled to 80% of its water capacity. For example, a 120-gallon tank will hold approximately 100 gallons of propane when completely full. Since propane is stored in a liquid state under pressure, it needs room to

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What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?

Brums [2.3K]

Answer:

Volume = 2.0 liter of 1.5 M solution of KOH

Explanation:

1) Data:

a) Solution: KOH

b) M = 1.5 M

c) n = 3.0 mol

d) V = ?

2) Formula:

Molarity is a unit of concentration, defined as number of moles of solute per liter of solution:

M = n / V in liter

3) Calculations:

Solve for n: M = n / V ⇒ V = n / M

Substitute values: V = 3.0 mol / 1.5 M = 2.0 liter

You must use 2 significant figures in your answer: 2.0 liter.

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saveliy_v [14]

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3 years ago

What quantity is measured in mol/dm³?

natima [27]

L
$M = \frac{n}{V} \\ M = \frac{mol}{L} \\ or \\ M = \frac{mol}{ {dm}^{3} }$
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Answer:

A: dependent variable

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C: independent variable

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Explanation:

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