How many moles in 1.00g of salicylic acid?

Question

asked May 15, 2019 130k views

1 Answer

Silentsudo · Answer 1 · 2019-05-21T06:01:44+0000

Answer:- 0.00724 moles.

Solution:- Grams of salicylic acid are given and it asks to calculate the moles.

For the moles, we divide the grams by the molar mass.

Formula of salicylic acid is
C_7H_6O_3

Molar mass = 7(12.01)+6(1.01)+3(16.00)

= 84.07+6.06+48.00

= 138.13 gram per mol

We could make the dimensional analysis set up for showing unit cancellation and have the moles.

1.00g((1mol)/(138.13g))

= 0.00724 moles

So, there will be 0.00724 moles of salicylic acid in it's 1.00 gram.