নির্দিষ্ট আয়তনের বিশুদ্ধ O2O2 ব্যাপিত হতে 80 sec সময় লাগে এবং একই অবস্থায় সমান আয়তনের 20% ‘X’ গ্যাস মিশ্রিত O2O2 ব্যাপিত হতে 85 sec সময় লাগে। ‘X’ গ্যাসের আণবিক ভর নির্ণয় কর।
A. 36.125
B. 63.22
C. 48.22
D. 52.63
সঠিক উত্তরঃ
D.
52.63
Explanation: rO2rmix=MmixMO2−−−−√ ⇒Mmix=36.125 [যেহেতু, এক্ষেত্রে, VO2=Vmix ; সেহেতু, rO2rmix=tmixtO2 ]
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