Started 3 weeks ago by SHIVAMAGRAWAL in
A 20% ethanol solution is mixed with another ethanol solution say S of unknown concentration in the proportion 1:3 by volume . This mixture is then mixed with an equal volume of 20% ethanol solution. If the resultant mixture is a 31.25% ethanol solution , then the unknown concentration of S is a) 50%b) 55%c) 48%d) 52%
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9 Replies
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Replied 1 year ago
Hi there!We're happy to let you know that your question will be addressed in today's live doubt class, taking place on August 16th at 6:00 PMLive Class Link: https://catking.testpress.in/courses/439/contents/171292/In case you miss the class - You can still access the recording using the same link provided above. This will be the 2nd question that Monika Ma'am will be solving in class.Happy Learning!
Replied 3 weeks ago
mixture and allegations A 20% ethanol solution is mixed with another ethanol solution say S of unknown concentration in the proportion 1:3 by volume . This mixture is then mixed with an equal volume of 20% ethanol solution. If the resultant mixture is a 31.25% ethanol solution , then the unknown concentration of S is a) 50%b) 55%c) 48%d) 52%
Replied 3 weeks ago
mixture and allegations A 20% ethanol solution is mixed with another ethanol solution say S of unknown concentration in the proportion 1:3 by volume . This mixture is then mixed with an equal volume of 20% ethanol solution. If the resultant mixture is a 31.25% ethanol solution , then the unknown concentration of S is a) 50%b) 55%c) 48%d) 52%