170f 20 Constants lPeriodicTable Part C You may want to reference (Pages 273-276

Question

170f 20 Constants lPeriodicTable Part C You may want to reference (Pages 273-276) Section 8.6 while completing this problem. Calculate the volume, in liters, occupied by 6.20 g of O2 gas. Express your answer to three significant figures and include the appropriate units. Use the molar volume to calculate each of the following at STP alue L Submit Incorrect; Try Again; 5 attempts remaining Part D Calculate the number of grams of Ne contained in 39.4 L of Ne gas. Express your answer to three significant figures and include the appropriate units. Value Unis Submit Next > Provide Feedback

Explanation / Answer

Answer c > we use ideal gas law where one mole of an ideal gas occupied 22.4L

First we need to find moles of oxygen.

Mole= mass/ molar mass

Mole= 6.20/32=0.194 mole

Since mentioned in question oxygem is present at standered temprature and pressure than rearrange the eqaution

Mole=volume/ 22.4L

Volume=22.4*0.194=4.35 L

Aswer c>

39.4L ne

Molar mass of neon=20.18 u

Then. 39.4 *( 20.18g/ 1mol)/22.4L= 35.5g

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