107 819
Assignments Done
100%
Successfully Done
In February 2025
In February 2025
Your physics assignments can be a real challenge, and the due date can be really close — feel free to use our assistance and get the desired result.
Physics
Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form.
Math
Our experts will gladly share their knowledge and help you with programming projects. Keep up with the world’s newest programming trends.
Programming
Answer to Question #86730 in General Chemistry for Brittany
Question #86730
A 0.4230 g sample of impure sodium nitrate was heated, converting all the sodium nitrate to .1235 g of sodium nitrate and oxygen gas. Determine the percent of sodium nitrate in the original sample.
Expert's answer
Answer:
2HNO3 = 2HNO2 + O2
m= 85 x 0.1235 / 69= 0.1521
W%= 0.1521 / 0.4230 = 36%
Learn more about our help with Assignments: Chemistry
Comments
Leave a comment