Definitely not D i would guess A or B
Explanation:
36.5gm (Molar mass) = 1mole
1 gram = 1/36.5 mole
10grams =(1/36.5) x 10 moles
= 0.027 x 10 moles
=0.27moles
The final temperature of the lead-water system will be lower than the final temperature of the copper-water system.
