Thursday
October 2, 2014

Homework Help: chemistry

Posted by bekah on Tuesday, April 1, 2014 at 10:26pm.

My original sample of mixed salt had a mass of 8.9 grams. After heating the mixture in the crucible and weighing it multiple times my final mass of salt ended up being 4.9. How many moles of oxygen were driven off?
Lost on how to do this been a while since I have done this.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - mass of crucible- 18.50g mass of crucible+hydrate- 19.50g mass of ...
Chemistry - An empty crucible was heated to drive off any volatile impurities ...
chemistry - Calculate the following: (a) mass of water in the hydrate sample (g...
chemistry - I need help with this lab. Write the equation for the decomposition...
Chemistry URGENT - I am not good with math problems. I need help with these two ...
Chemistry - I need help with this lab. Write the equation for the decomposition ...
Chem Lab - I did a chem lab and have to figure out some stuff off of some data I...
Chem Lab - I did a chem lab and have to figure out some stuff off of some data I...
Chemistry - A 2.914 gram sample of gypsum, a hydrated salt of calcium sulfat, ...
Chemistry - Gravimetric analysis does not always involve a precipitate. ...

Search
Members