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0.50 moles of gas take up 10.5 L of space under constant pressure and temperature conditions. What volume is required to hold 2.0 moles of the gas?

[tex]\[ \frac{n_1}{V_1} = \frac{n_2}{V_2} \quad V_2 = [?] \, \text{L} \][/tex]


Sagot :

Sure, let's solve this problem step-by-step.

Given:
- Initial moles of gas, [tex]\( n_1 = 0.50 \)[/tex] moles
- Initial volume, [tex]\( V_1 = 10.5 \)[/tex] liters
- Final moles of gas, [tex]\( n_2 = 2.0 \)[/tex] moles

We are asked to find the final volume [tex]\( V_2 \)[/tex].

We can use the relationship given by:

[tex]\[ \frac{n_1}{V_1} = \frac{n_2}{V_2} \][/tex]

First, rearrange the equation to solve for [tex]\( V_2 \)[/tex]:

[tex]\[ V_2 = \frac{n_2 \cdot V_1}{n_1} \][/tex]

Now, plug in the given values:

[tex]\[ V_2 = \frac{2.0 \, \text{moles} \cdot 10.5 \, \text{L}}{0.50 \, \text{moles}} \][/tex]

Next, perform the calculation:

[tex]\[ V_2 = \frac{21.0 \, \text{L} \cdot \text{moles}}{0.50 \, \text{moles}} \][/tex]

[tex]\[ V_2 = 42.0 \, \text{L} \][/tex]

Therefore, the volume required to hold 2.0 moles of the gas under the same conditions is [tex]\( 42.0 \)[/tex] liters.