Answer:
0.8°C
Explanation:
Given the following:
Trial 1 : freezing point of distilled water = 0.9°C
Trial 2: freezing point of distilled water = 0.7°C
The average freezing point of distilled water is the sum of the two freezing points obtained divided by 2 ;
(Trial 1 + trial 2) / 2
(0.9°C + 0.7°C) / 2
1.6°C / 2
= 0.8°C