# chemistry

How many moles are in 3.0L of NO gas at STP?

1. 👍 0
2. 👎 0
3. 👁 75
1. Two ways.
You may use PV=nRT and solve for n = number of moles.OR
You may remember that 1 mole of a gas occupies 22.4 L at STP so 3 L will be
3/22.4 = ?? L.

1. 👍 0
2. 👎 0
posted by DrBob222

## Similar Questions

1. ### chemistry

i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help! 1. A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how

asked by me on May 22, 2011
2. ### Chemistry 22

1. What is the Kelvin temperature of a system in which 4.50 mol of a gas occupy 0.250 L at 4.15 atm? 2. In the lab, students generated and collected hydrogen gas according to the following equations: Zn + H2SO4---> H2 + ZnSO4 a)

asked by Ivy on November 29, 2010
3. ### Chemistry(Please check)

1) Which statement below is incorrect if any? a)when gas is at STP, the pressure of the gas is at 1.00 atm. b)when a gas is at STP, the temperature of the gas is 25 degrees celsius c)at STP the molar volume of a gas is 22.4L d)at

asked by Hannah on January 11, 2012
4. ### chem

Show work 1. How many moles of oxygen will occupy a volume of 2.50 liters at 121.6 kPa and 331 K? 2. An unknown volume of chlorine gas (Cl2) is resting at 127 °C at a of pressure 152.4 kPa. If the gas weighs 191.4 g, what is the

asked by theresa on February 22, 2015
5. ### science

a sample of natural gas at stp is 78% ch4 and 22% c2h6 by volume. how many moles of each gas are presented in 2 L of the mixture.assume ideal gas behavior

asked by uriel on February 20, 2011
6. ### Chemistry

A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 1.60L of the mixture? Assume ideal gas behavior

asked by Missy on October 6, 2010
7. ### Chemistry

Use molar gas volumes to convert the following gas volumes to amount in moles. A) 1.5 L of carbon monoxide gas at SATP B) 21.5 L of fluorine gas at STP

asked by Cutter on January 18, 2015
8. ### Chemistry

What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation. 2CO + O2 > 2CO2 please show your work I'm having trouble with Gas Stoichiometry.

asked by Randy on April 16, 2012
9. ### Chemistry

4 moles of Zinc reacted with an excess of hydrochloric acid. Calculate the grams, moles,and liters at stp of gas made.Please help!!!!!!!!

asked by Anonymous on December 12, 2012
10. ### chemistry

What is the density of UF6 (subscript) gas? What volume would 2.35 moles of this gas occupy? (Assume STP)

asked by Ralph on February 15, 2010
11. ### chem

A sample of hydrogen gas occupies 16.8 L at STP. How many moles of the gas are present? Answer in units of mol

asked by luke on April 19, 2012

More Similar Questions