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Question
The density of an ideal gas can be expressed as d = ____________.
Options
`"RT"/"PM"`
`"RP"/"TM"`
`"RM"/"TP"`
`"PM"/"RT"`
MCQ
Fill in the Blanks
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Solution
The density of an ideal gas can be expressed as d = `underline("PM"/"RT")`.
Explanation:
PV = nRT
∴ PV = `"m"/"M" "RT"`
∴ P = `"m"/"V"."RT"/"M"`
∴ `"m"/"V" = "PM"/"RT"`
∴ d = `"PM"/"RT"` ........(∵ d = m/V)
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