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Strike441 [17]
3 years ago
14

Which of the following fractions can be used in the conversion of 25 m3 to the unit cm3?

Chemistry
1 answer:
zaharov [31]3 years ago
8 0

your answer would be C hope this helps

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An ionic bond occurs between what particles
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g A laboratory analysis of an unknown compound found the following composition: C 75.68% ; H 8.80% ; O 15.52%. What is the empir
sammy [17]

Answer:

THE EMPIRICAL FORMULA FOR THE UNKNOWN COMPOUND IS C7H9O

Explanation:

The empirical formula for the unknown compound can be obtained by following the processes below:

1 . Write out the percentage composition of the individual elements in the compound

C = 75.68 %

H = 8.80 %

O = 15.52 %

2. Divide the percentage composition by the atomic masses of the elements

C = 75 .68 / 12 = 6.3066

H = 8.80 / 1 = 8.8000

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3. Divide the individual results by the lowest values

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4. Round up the values to the whole number

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5 Write out the empirical formula for the compound

C7H90

In conclusion, the empirical formula for the unknown compound is therefore C7H9O

7 0
3 years ago
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