Calculate the number of molecules in 8.0cm-3 of gaseous phosphine PH3, at RTP
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Answer:
moles of ph3 = (8/1000)/24x10^4 = 3.33x10^-8
( CONVERT cm to dm)
3.33x10^-8 X 6.02 x 10^23
=2.006 x 10^16X 1000
=2.006 x 10^20
Explanation:
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