(3)72 N
(4)36 N.
What weight of ethyl alcohol (C,H,OH) would you
add to one litre of water to make 0.5 molar solution?
(1) 18.5g
(2) 23 g
(3) 39 g
(4)46 g.
pg. 1
Answers
Answered by
2
molar weight of ethyl alcohol = 24 + 6+ 16
=46g
molarity = given mass/molar weight*Volume
0.5= given mass/46
molar weight = 46 * 0.5
= 23g
Answer = Option 2
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