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CBSE Class 12-science Answered

Partial pressure of hydrogen in h2o is 1 bar at 275 degrees celsius hennry costant of hydrogen in h2o is 71.18 bar solubility of h2 in h2o will be
Asked by farheenansari1698 | 25 Feb, 2020, 06:03: PM
answered-by-expert Expert Answer
Partial pressure of H2 is calculated by Henry's law-
 
straight P subscript straight H subscript 2 space end subscript space equals straight K subscript straight H space straight X subscript straight H subscript 2 end subscript straight X subscript straight H subscript 2 end subscript equals straight P subscript straight H subscript 2 end subscript over straight K subscript straight H equals fraction numerator 1 space bar over denominator 7.18 cross times 10 cubed space bar end fraction space space space space space space space space space space space space space space equals 1.404 cross times 10 to the power of negative 5 end exponent Number space of space moles space of space straight H subscript 2 straight O space in space 1 space straight L equals 1000 over 18 equals 55.5 fraction numerator straight n subscript straight H subscript 2 end subscript over denominator 55.5 end fraction equals 1.404 cross times 10 to the power of negative 5 end exponent straight n subscript straight H subscript 2 end subscript equals 1.79 cross times 10 to the power of negative 4 end exponent space moles 1.79 cross times 10 to the power of negative 4 end exponent space moles space o f space H subscript 2 space end subscript space p r e s e n t space i n space 1 L space o f space s o l u t i o n. s o space s o l u b i l i t y equals space 1.79 cross times 10 to the power of negative 4 end exponent space space space m o l e s divided by L
Answered by Ravi | 26 Feb, 2020, 07:01: PM

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CBSE 12-science - Chemistry
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