Question

How many moles are in a gas with a temperature of 21°C, pressure of 1,351 mmHg and a volume of 2,000 mL

Answer 1

.147 moles

Step-by-step explanation:

PV = n RT choose the correct "R" to be 62.364 L torr /(K-mol)

T needs to be in K (so add 273.15)

1351 torr * 2 L = n * 62.364 * (21 + 273.15 )

solve for n = .147 moles