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How many moles of sucrose, C12H22O11, are in a 25-g sample of sucrose?

Short Answer

Expert verified

No. of moles of sucrose is equal to 0.073mol

Step by step solution

01

Determine molecular mass 

To calculate no of moles of sucrose, we have to evaluate the molar mass of sucrose first.

Element

Quantity

Molar mass

(g/mol element)

Subtotal

(g/mol compound)

C

12

ร—

12.01

=

144.12

H

22

ร—

1.008

=

22.176

O

11

ร—

16.00

=

176.00

Molecular mass(g/mol)

=

342.296

02

Determine no of moles

No of moles = 25gsucroseร—molofsucrose342.296gsucrose=0.073molofsucrose

Hence, no of moles of sucrose is equal to0.073mol

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