When 35mL of 1.0MHNO3 was mixed with 50mL of 1.0MNaOH in a coffee cup calorimeter, the temperature of the solution rose from 24.8°C to 31.7°C. What is the q(solution) in J?

a) 6.9 J
b) 7.3 J
c) 8.2 J
d) 9.5 J