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20 mL of x M HCl neutralises 5 mL of 0.2 M Na_(2)CO_(3) solution to phenolphthalein end-point. The value of x is

Answer» <html><body><p>`0.167M`<br/>`0.133M`<br/>`0.150M`<br/>`0.05M`</p>Solution :With phenolphthalein, <br/> <a href="https://interviewquestions.tuteehub.com/tag/eq-446394" style="font-weight:bold;" target="_blank" title="Click to know more about EQ">EQ</a>. `HCl=(1)/(2)` eq. `Na_(2)CO_(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>)` <br/> `<a href="https://interviewquestions.tuteehub.com/tag/20xx-292987" style="font-weight:bold;" target="_blank" title="Click to know more about 20XX">20XX</a> <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> xx1=(1)/(2)xx5xx0.2xx2impliesx=0.05`</body></html>


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