X L of oxygen gas at 25°C and 1.30 atm, and Y L of helium gas at 25°C and 2.00 atm were pumped into a tank with a volume of Y L at 25°C Calculate: the new partial pressure of oxygen, helium, and total pressure of both gases

Those elements that have the same atomic number but a different mass number are referred to as isotopes.Those elements that have the same atomic number but a different mass number are referred to as isotopes.Those elements that have the same atomic number but a different mass number are referred to as isotopes.Those elements that have the same atomic number but a different mass number are referred to as isotopes.

Explanation: