Homework Help: Chemistry

Posted by Annabel on Friday, February 2, 2007 at 7:24am.

how do I work out the molecular mass of a substance such as oxide of arsenic? If I'm trying to work out the oxide part of this problem, where does hydrogen come into it?

You have to know the mass, and how many moles. There are other methods.

Hydrogen? Depends on the problem.

No one has answered this question yet.

Answer this Question

Related Questions

chem - how is the oxide of arsenic worked out when its in its gas state please ...
chemistry - how do i calculate %of arsenic and oygen by mass and chem ...
chem - Urgent, please help - 0.702g arsenic combines with 0.225g of oxygen to ...
Chemistry - I need to work out the density of the gaseous oxide of arsenic at ...
Chemistry - If a question in the exam comes and asks me For Example what is the ...
chemistry - How do I calculate the mas of oxygen that combines with one mol of ...
science - an oxide of arsenic = 0.927g 76% arsenic and 24% oxygen calculate the ...
chemistry - what is the molecular formula of oxide of arsenic in its gaseous ...
chemistry - hi, Can you please double check to see if i have got this right? Is ...
chemistry - I have a chemical composition of As2O3. How do I calculate the mass ...

For Further Reading

First Name:
School Subject:
Answer: