Calculate the number of moles contained in 550 ml of carbon dioxide at STP
1 answer:
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There is a useful relationship that we can use to determine the number of moles of an ideal gas at Standard Temperature and Pressure (0 °C; 1 bar).
It says that 1 mole of an ideal gas occupies 22,4 L. Knowing that we can apply the following conversion factor to go from mL of CO₂ to moles of CO₂
So, the number of moles contained in 550 mL of Carbon Dioxide at STP is 0,0246 moles
Have a nice day!
There is a useful relationship that we can use to determine the number of moles of an ideal gas at Standard Temperature and Pressure (0 °C; 1 bar).
It says that 1 mole of an ideal gas occupies 22,4 L. Knowing that we can apply the following conversion factor to go from mL of CO₂ to moles of CO₂
So, the number of moles contained in 550 mL of Carbon Dioxide at STP is 0,0246 moles
Have a nice day!
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Answer:
Step 1: List the known quantities and plan the problem.
Known
number of C atoms = 4.72 × 10 24
1 mole = 6.02 × 10 23 atoms
Unknown
4.72 × 10 24 = ? mol C
One conversion factor will allow us to convert from the number of C atoms to moles of C atoms.
Step 2: Calculate.
4.72 times 10^{24} text{atoms C} times frac{1 text{mol C}}{6.02 times 10^{23} text{atoms C}}=7.84 text{mol C}
Step 3: Think about your result.
The given number of carbon atoms was greater than Avogadro’s number, so the number of moles of C atoms is greater than 1 mole. Since Avogadro’s number is a measured quantity with three significant figures, the result of the calculation is rounded to three significant figures.
Explanation:
the image is 4 step2 mwa
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Adding logs of same base is equivalent to multiplying the arguments. You get:
Use the definition of the log to turn this into an exponential function: