Answer:
98L is the volume of the gas
Explanation:
To solve this question we need to find the moles of O2 + moles HCl. With these moles and PV = nRT we can find the volume as follows:
Moles O2: 3.0mol
Moles HCl:
50.0g * (1mol/36.5g) = 1.37 moles HCl
Total moles:
3.0mol O2 + 1.37 mol HCl = 4.37 moles
PV = nRT
V = nRT/P
Where V is volume in L, n are moles = 4.37mol, R is gas constant = 0.082atmL/molK, T is absolute temperature = 273.15K at STP, P = 1atm at STP
V = 4.37mol*0.082atmL/molK*273.15K / 1atm
V = 98L is the volume of the gas
