Solid sodium carbonate reacts with excess hydrochloric acid according to the equation
2 HCl(aq) + Na2CO3(s) → CO2(g) + 2 NaCl(aq) + H2O(l)
If 0.200 mol of Na2CO3 is completely consumed at 298 K and 1.00 atm, what volume of CO2(g) is produced?
a) 4.48 L
b) 9.80 L
c) 4.90 L
d) 2.45 L