\(CaCl_2\) का वास्तविक मोलर द्रव्यमान \(111,g,mol^{-1}\) है। यदि प्रेक्षित मोलर द्रव्यमान \(55.5,g,mol^{-1}\) है, तो वियोजन की मात्रा कितनी होगी?
The true molar mass of \(CaCl_2\) is \(111,g,mol^{-1}\). If the observed molar mass is \(55.5,g,mol^{-1}\), what is the degree of dissociation?
Explanation opens after your attempt
B. (50%)
Concept
\(i=\frac{111}{55.5}=2\)। / \(i=\frac{111}{55.5}=2\).
Why this answer is correct
\(CaCl_2\) पूर्ण वियोजन पर (3) आयन देता है, इसलिए \(i=1+2\alpha\)। / \(CaCl_2\) gives (3) ions on complete dissociation, so \(i=1+2\alpha\).
Exam Tip
\(2=1+2\alpha\), अतः \(\alpha=0.5\), यानी (50%)। / \(2=1+2\alpha\), so \(\alpha=0.5\), or (50%).
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