# Question 5a652

You use the formula q = mcΔT#.
78.2 J = 45.6 g × $c$ × 13.3 °C = $c$ × 606 g°C
$c = \left(78.2 \text{ J")/(606" g°C}\right)$ = 0.1289 J·g⁻¹°C⁻¹
$c$ = 0.1289 J·g⁻¹°C⁻¹ × 207.2 g·mol⁻¹ = 26.72 J·mol⁻¹°C⁻¹