Problem: a. Calculate the density of oxygen, O2, under each of the following conditions: STP: 1.00 atm and 30.0°C: Express your answers numerically in grams per liter.  b. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 1.2-L bulb, then filled it with the gas at 1.60atm and 21.0°C and weighed it again. The difference in mass was 2.3g . Identify the gas. Express your answer as a chemical formula.  

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Problem Details

a. Calculate the density of oxygen, O2, under each of the following conditions:

STP:
1.00 atm and 30.0°C:

Express your answers numerically in grams per liter. 


b. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 1.2-L bulb, then filled it with the gas at 1.60atm and 21.0°C and weighed it again. The difference in mass was 2.3g . Identify the gas.

Express your answer as a chemical formula.

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Our tutors have indicated that to solve this problem you will need to apply the Standard Temperature and Pressure concept. You can view video lessons to learn Standard Temperature and Pressure. Or if you need more Standard Temperature and Pressure practice, you can also practice Standard Temperature and Pressure practice problems.