What is the change in entropy when 0.517 g of water decomposes to form hydrogen gas and oxygen gas at 298 K?

What is the change in entropy when 0.517 g of water decomposes to form hydrogen gas and oxygen gas at 298 K?

2H2O(l) → 2H2(g) + O2(g); ΔS° = 326.3 J/K at 298 K

Question 13 options:

4.68 J/K

0.0628 J/K

18.7 J/K

9.36 J/K

168 J/K