Answer to Question #275330 in General Chemistry for N. Smith

General Chemistry

Question #275330

If 7.46 mg of a gas occupies 2899 mL at 849 mm Hg and 27.63°C, what is the molecular weight of the gas?

Expert's answer

V= 2.899litres

P = 849 mmHg

T=273+27.63=300.63k

: R = 8.314 J/mol·K.

PV=nRT

n"=\\frac{849\u00d72.899}{300.63\u00d78.314}=0.98"

Molecular weight =

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. State the number of protons in a atom of N-15
2. What mass in kilograms of CO2 is needed to fill an 80.0 L tank to a pressure of 150.0 atm at 27.0 °
3. when we dissolve 5 moles of sodium carbonate in water the number of sodium ions moles in solution
4. space vehicles use solid lithium hydroxide to remove exhaled carbon dioxide according to the equatio
5. Give the pH range of the following indicator:a) methyl redb) bromthymol bluec) phenolplthaleind) uni
6. what is the implication of color change in indicator
7. Calculate the partial pressure (in atm) of Ar in a flask that contains a mixture of mols 1. _____ of