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4% by weight h2 and 96% By weight o2. find molar mass of aqueous mixture.

Asked by Vidhi.ozar 24th July 2018, 7:04 AM
Answered by Expert
Answer:
Given: 
H2 by weight = 4%
O2 by weight = 96%
 
Find: 
Molar mass of the mixture
 
S o l u t i o n colon space
T h i s space percent sign space m e a n s space 4 space g space o f space H subscript 2 space a n d space 96 space g space o f space O subscript 2 space i n space 100 space g space o f space s o l u t i o n

M o l e s space o f space H subscript 2 space equals 4 over 2 equals 2 space m o l e s
M o l e s space o f space O subscript 2 equals space 96 over 32 equals 3 space m o l e s

T o t a l space m o l e s space i n space m i x t r e space equals space 3 space plus space 2 space equals 5 space m o l e s

5 space m o l e s space o f space h a v e space 100 space g space m a s s
s o comma space 1 space m o l e space h a s space m a s s comma

M o l a r space m a s s space equals 100 over 5 equals space space 20 space g m
Answered by Expert 30th July 2018, 11:59 AM
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