यदि सामान्य दाढ़ द्रव्यमान (90,g mol\(^{-1}) और (i=0.75) है, तो प्रेक्षित दाढ़ द्रव्यमान कितना होगा\)?
If the normal molar mass is (90,g mol\(^{-1}) and (i=0.75), what is the observed molar mass\)?
Correct answer and explanation
C. (120,g mol\(^{-1})\)
Concept
\(संबंध (M_{\)observed\(}=\frac{M_{\)normal}}{i}) है। \(/ Use (M_{\)observed\(}=\frac{M_{\)normal}}{i}).
Why this answer is correct
\((M_{\)observed\(}=\frac{90}{0.75}=120\),g mol^{-1})। \(/ (M_{\)observed\(}=\frac{90}{0.75}=120\),g mol\(^{-1}).\)
Exam Tip
(i<1) होने पर प्रेक्षित दाढ़ द्रव्यमान बढ़ जाता है। / When (i<1), observed molar mass increases.
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