Answer: Heat of the solution = mass water × specific heat water × change in temperature
mass water = 260ml (1.00g/ml ) = 260g
specific heat of water = c(water) = 4.184J/ g°C
Heat change of water = final temperature - initial temperature
= 26.5 - 21.2
= 5.3 °C
H = 260 g ( 4.184J/g°C ) (5.3°C) = 5765J
Molar heat = 
= 16473J/mol
Explanation: finding molar heat requires first to look at specific heat of water and the change of water temperature
The measure of the quantity of heat exchanged.
Uses many different units of measurements.
I’m not sure if this is what you are referring to but there is something called a moles bridge which allows you to convert from one substance to another
they are listed in order of decreasing number of moles
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