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8g of CH\(_4\) occupies 11.2 at S.T.P. What volume would 22g of CH\(_3\)CH\(_2\)CH\(_3\) occupy under the...

Chemistry
JAMB 2020

8g of CH\(_4\) occupies 11.2 at S.T.P. What volume would 22g of CH\(_3\)CH\(_2\)CH\(_3\) occupy under the same condition?

  • A. 3.7dm\(^3\)
  • B. 11.2dm\(^3\)
  • C. 22.4dm\(^3\)
  • D. 33dm\(^3\)
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Correct Answer: Option B
Explanation

Molar mass of methane = 16g/mol

At S.T.P.       its 8g occupies 11.2

                    so 16g occupies 22.4 dm\(^3\)

 

Molar mass of propane = 44g/mol\(^-1\) occupies 22.4dm\(^3\) at S.T.P

                      so 22g will occupy 11.2dm\(^3\)

There is an explanation video available below.

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Explanation Video

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WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts