# Gen Chemestry

A 27.6 ml volume of chlorine gas is collected over water at 23 C and 750 torr. The mass of the gas is 78.4 mg. The vapor pressure of water is 21 torr.
a) What is the pressure of the chlorine gas?

b) How volume does the chlorine gas occupy?

c) How many moles of chlorine gas are collected?

1. 👍 0
2. 👎 0
3. 👁 186
1. a). Total P = partial pressure chloring + partial pressure water vapor.
You know total P and you know parital pressure of water vapor. Solve for partial pressure chlorine.
b)I may have missed something but don't they tell you the volume is 27.6 mL?
c)Use PV = nRT

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Chemestry @

A 27.6ml volume of chlorine gas is collected over water at 23 C and 750 torr. The mass of the gas is 78.4mg. The vapor pressure of water is 21 torr. a)what is the pressure of the chlorine gas? b) what volume does the chlorine gas

2. ### Chemistry 211

Chlorine pentafluoride gas is collected at -14.0 degrees Celcius in an evacuated flask with a measured volume of 30.0L When all the gas has been collected, the pressure in the flask is measured to be 0.260atm. Calculate the mass

asked by Melissa Carder on January 13, 2011
3. ### Chemistry

How would I go about doing this problem? 146 mL of wet H2 gas is collected over water at 29.0 degrees C and room pressure of 750 torr. Give the volume of the dry H2 gas collected at STP, give the mass of the dry H2 collected, and

asked by Marie on December 8, 2010
4. ### chemistry

146 mL of wet H2 gas is collected over water at 29.0 degrees celsius and room pressure of 750 torr. give the volume of the dry H2 gas collected at STP, give the mass of the dry H2 collected, and give the volume of the dry H2 at

asked by melanie on December 8, 2010
5. ### Chemistry

Help please? 1)A sample of propane gas occupies 625 cm3 at 20.0 °C and 750 torr. What is the final volume in cubic centimeters at -80.0 °C and 750 torr? 2)If oxygen gas is collected over water at 25 °C and 775 torr, what is the

asked by May on April 16, 2014
6. ### chemistry

A gas 'x' is collected over water at 17 degree celcius and 750 mm pressure.If the volume of the gas collected is 50 cc then calculate the volume of the dry gas at standard temperature pressure and at 17 degree celcius the vapour

asked by Samay on September 14, 2011
7. ### chemistry

What volume of a oxygen at STP was collected? oxygen gas is collected over water at a temperaturee of 10 degrees C and a pressure 1.2 atm. The volume of gas plus water vapor collected is 293ml.

asked by dee on April 6, 2016
8. ### chamistry

formula: 2Cl- ==> Cl2 + 2e- in one experiment, the volume of chlorine gas formed was 18cm3. i) calculate the amount, in moles, of chlorine gas in 18cm3.(the volume of 1 mol of a gas at room temperature and pressure is 24000) ii)

asked by laura on February 19, 2016
9. ### Chemistry

A 32.0 mL sample of hydrogen is collected over water at 20.0 degrees celcius and 750.0 torr. What is the volume of the dry gas at STP?

asked by Tyran on February 23, 2008
10. ### scdience

the density of gas was done twice, but with the tablet and 15 cm^3 of water in each case.When the rubber tube was placed as shown , 435 cm^3 of gas was collected. When the tube reached only slightly beyond the mouth of the bottle,

asked by david on March 2, 2015

More Similar Questions