Sunday
April 19, 2015

Homework Help: chemistry

Posted by krystal on Saturday, February 11, 2012 at 2:32pm.

a. What is the molecular weight of aspirin (C9H8O4)?

180.1574 amu

b. What is the mass of 0.00785 mol of aspirin?

1.41 g

c. How many moles of aspirin are present in 100 mg of aspirin? Enter your answer in scientific notation.

5E-4 mol aspirin


d. How many molecules of aspirin are present in 5.00 g of aspirin? Enter your answer in scientific notation.

1.67E22 molecules aspirin

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - synthesis of aspirin - This is an experiment for a synthesis of ...
Chemistry - Aspirin is a weak acid with a Ka of 3.0x10^-5. Find the pH of a ...
Organic Chemistry - A 1.0 gram sample of aspirin will dissolve in 300 mL of ...
chemistry - Aspirin is synthesized in a reaction with a theoretical yield of 0....
chemistry - synthesis of aspirin - wanted to calculate the theoretical and ...
chemistry - synthesis of aspirin - I wanted to calculate the theoretical and ...
chemistry - I need some help with calculating percent yield and percent purity ...
Chemistry - Can some please check my answers for the following questions? THANK ...
Chemistry - A student was synthesizing aspirin in the lab. Using the amount of ...
chemistry - How many moles of aspirin are present in 100 mg of aspirin? Enter ...

Members