Stoichiometry, find the mass of the product

Click For Summary
SUMMARY

The discussion focuses on calculating the theoretical mass of methyl salicylate produced from the reaction of 1.20 grams of salicylic acid with excess methanol. The molar masses are specified as 138.13 g/mol for salicylic acid, 32.05 g/mol for methanol, and 152.16 g/mol for methyl salicylate. The calculations confirm that 1.32 grams of ester can be expected based on a 1:1:1 mole ratio. The use of excess methanol does not affect the result, as it is not a limiting reagent in this scenario.

PREREQUISITES
  • Understanding of stoichiometry and mole calculations
  • Familiarity with molar mass determination
  • Knowledge of chemical reaction equations
  • Basic principles of limiting and excess reagents
NEXT STEPS
  • Study advanced stoichiometry problems involving multiple reactants
  • Learn about limiting and excess reagents in chemical reactions
  • Explore the concept of percent yield in chemical reactions
  • Investigate the practical applications of esterification reactions
USEFUL FOR

Chemistry students, educators, and professionals involved in chemical synthesis and reaction analysis will benefit from this discussion.

SelenaT
Messages
12
Reaction score
0

Homework Statement



[/B]
If 1.20 grams of salicylic acid is reacted with excess methanol, what mass of ester should you expect to achieve theoretically?

Molar masses of..
salicylic acid is 138.13g/mol
methanol is 32.05g/mol
ester (methyl salicylate) is 152.16g/mol

Mole ratio
1:1:1

Homework Equations

3. The Attempt at a Solution
[/B]

1. 1.20 g salicylic acid (1 mol salicylic acid/138.13 g salicylic acid) = 0.008687468 mol salicylic acid

2. 0.008687468 mol salicylic acid (1 mol ester/1 mol salicylic acid) = 0.008687468 mol ester

3. 0.008687468 mol ester (152.16 g ester/1 mol ester) = 1.32 g ester

so 1.32g of ester would be expected.

Is my work correct? or do I have to use the excess reagent to find the mass of the product?
 
Physics news on Phys.org
Looks good. Any reason to suspect "xs" would change your result?
 

Similar threads

Chemistry Theoretical Yield and Percentage Yield of Organic Molecules
  • · Replies 6 ·
Replies
6
Views
7K
Percentage yield in a reaction problem
  • · Replies 4 ·
Replies
4
Views
3K
Finding mass of acetyl salicylic acid in aspirin tablet
  • · Replies 2 ·
Replies
2
Views
22K
Chemistry Find Empirical Formula of Unknown Substance
  • · Replies 5 ·
Replies
5
Views
2K
Chemistry Homework Help: Calculating Mass from Chemical Reaction Equations
  • · Replies 4 ·
Replies
4
Views
2K
Chemistry Enthelpy chage for the production of ethanol
  • · Replies 11 ·
Replies
11
Views
2K
Chemistry Mass of an element required for a chemical reaction equation
  • · Replies 2 ·
Replies
2
Views
2K
What is the Importance of Choosing the Correct Endpoint in a Titration?
  • · Replies 7 ·
Replies
7
Views
5K
Chemistry Why does the solution divide by two in Mole Stoichiometry?
  • · Replies 1 ·
Replies
1
Views
3K
Chemistry Calculating the Mass of a Precipitate
  • · Replies 14 ·
Replies
14
Views
12K