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A certain electrolyte solution contains 1 gram of salt for every 8 gra

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Intern
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Joined: 29 Aug 2017
Posts: 17
A certain electrolyte solution contains 1 gram of salt for every 8 gra [#permalink]

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New post 22 Dec 2017, 05:32
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A
B
C
D
E

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  35% (medium)

Question Stats:

70% (02:13) correct 30% (02:15) wrong based on 37 sessions

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A certain electrolyte solution contains 1 gram of salt for every 8 grams of sugar and every 200 grams of water. If the sugar to water ratio is halved, the salt to sugar ratio is tripled, and the resulting solution contains 5 grams of salt, how many grams of water does the resulting solution contain?

250
400
666 2/3
1,000
2,000
[Reveal] Spoiler: OA
Intern
Intern
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Joined: 02 Apr 2017
Posts: 11
A certain electrolyte solution contains 1 gram of salt for every 8 gra [#permalink]

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New post 22 Dec 2017, 08:51
Sugar to water ratio is halved :8/200/2 = 8/400
And Salt to Sugar ratio is tripled : 3* 1/8 = 3/8

Now it is given that we need to consider 5 grms of sugar instead of 1 gram. hence the new ratio would be:

For 1 gram ratio of sal to sugar 3/8 so for 5 grams it is:

5 * 8/3 = 40/3

and if sugar ratio is 40/3, than the new ratio of water is:

40/3 * 400 = 666 2/3.

And hence answer is (c)
A certain electrolyte solution contains 1 gram of salt for every 8 gra   [#permalink] 22 Dec 2017, 08:51
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A certain electrolyte solution contains 1 gram of salt for every 8 gra

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