What is the percent by volume of isopropanol in a 90ml solution that contains 25ml isopropanol a 26.8 isopropanol B 26.9% isopropanol C 27.8 isopropanol?

Answer

Explanation

Based on the given conditions, formulate:
Convert decimal to fraction:
Divide a fraction by multiplying its reciprocal:
Write as a single fraction:
Calculate the product or quotient:
Rewrite a fraction as a decimal:
Multiply a number to both the numerator and the denominator:
Write as a single fraction:
Calculate the product or quotient:
Rewrite a fraction with denominator equals 100 to a percentage:
Answer:

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Answer:

27.8%

The % by volume = 25 m l/90 m l (x100%) = 27.8% by volume.

Explanation:

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