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Answer:
Mass = 12.33 g
Explanation:
The expression for the calculation of the enthalpy change of a process is shown below as:-
Where,
is the enthalpy change
m is the mass
C is the specific heat capacity
is the temperature change
Thus, given that:-
Specific heat = 0.450 J/g°C
= 81.0 J
So,
<u>Mass = 12.33 g</u>