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vodomira [7]
3 years ago
11

Lauren walks 100m in half a minute. What must her speed have been to travel this distance?

Chemistry
1 answer:
tester [92]3 years ago
4 0

Answer:

10/3 m/s. v=d/t. so 100/30 = 10/3

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The molecular formula of the compound is C12H15O3 hence the molar mass of the compound is 207 g/mol.

We need to obtain the number of moles of carbon, hydrogen and oxygen in the compound;

Carbon = 24.91 g/44g/mol × 1 mole of carbon = 0.566 moles

Mass of carbon =  0.566 moles × 12 g/mol = 6.792 g

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Now we must divide through by the lowest number of moles;

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C - 4                    H - 5                        O - 1

The simplest formula is C4H5O Recall that the molar mass of the compound lies between 150.0 and 220.0 g/mol

4(12) + 5(1) + 16 = 69

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The molar mass of the compound is; 12(12) + 15(1) + 3(16) = 207 g/mol

Learn more: brainly.com/question/15180604

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