# chemistry II

posted by .

If a 2.15-g sample of gas occupies 750. mL at STP, what is the molar mass of the gas at 125 degrees celcuis

## Similar Questions

1. ### Chemistry

Gas X has a density of 2.60/L at STP. Determine the molar of this gas. Please show me the steps to solve this problem. thanks You just need the definition. One mol of a gas at STP occupies 22.4 L. You have the mass of 1 L. Just calculat …
2. ### chemistry

Gas X has a density of 2.60g/L at STP. Determine the molar mass of this gas. Sorry there was some typos on the previous question. please show me again steps by steps. thank you =] Same answer. You just left the g off the density. One …
3. ### Chemistry

Determine the molar mass of each of the following gases?
4. ### chemistry II

If a 2.15-g sample of gas occupies 750. mL at STP, what is the molar mass of the gas at 125 degrees celcuis
5. ### 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?

1) Which statement below is incorrect if any?
7. ### chemistry

a gas sample is collected at 16 degrees c and 0.982 atm. if the sample has a mass of 7.40 g and a volume of 3.96 l, find the volume of the gas at stp and the molar mass?
8. ### chemistry

A sample of unknown gas weighs 2.96 g and occupies 750. mL at 760. mmHg and 100.°C. What is the molar mass of the unknown gas?
9. ### General Chemistry

If a 14.05g sample of a gas occupies 10.0L at STP, what is the molar mass of the gas at 125 degrees Celsius?
10. ### Chemistry 3A

a sample of gas occupies 500ml at STP. what volume will the gas occupy at 85.0 degrees Celsius

More Similar Questions

Post a New Question