Kindly solve it all thanks number 6 7 and 8 Use the ideal gas law, “PV= nRT”, and the universal gas constant R = 0.0821 L*atm/K*mol to solve the following problems: If pressure is needed in kPa then convert by multiplying by 101.3 kPa / 1atm to get R =8.31 L*kPa / (K*mole) 6)If I have an unknown quantity of gas at a pressure of 0.5 atm, a volume of 25 liters, and a temperature of 300 K, how many moles of gas do I have? 7)If I have 21 moles of gas held at a pressure of 78 atm and a temperature of 900 K, what is the volume of the gas? 8)If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas?

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