1 mole --------- 22.4 ( at STP )
2.66 moles ---- ?
V = 2. 66 * 22.4 / 1
V = 59.584 / 1
V = 59.584 L
hope this helps!
Taking into account the definition of molarity, the concentration of the solution is 0.855 .
<h3>Definition of molarity</h3>
Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.
The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:
Molarity is expressed in units .
<h3>Molarity of NaCl</h3>
In this case, you have:
- number of moles of NaCl= 1.71 moles (being 58.45 g/mole the molar mass of NaCl)
- volume 2 L
Replacing in the definition of molarity:
Solving:
Molarity= 0.855
Finally, the concentration of the solution is 0.855 .
Learn more about molarity:
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Answer:
The pressure will be halved with respect its initial value
Explanation:
Based on Boyle's law, <em>the pressure exerted by a quantity of an ideal gas is inversely proportional to the volume it occupies if the temperature and remains constant</em>
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Thus, if volume of a gas is doubled while the temperature is unchanged, <em>the pressure will be halved with respect its initial value</em>