Answer:
-7°C
Step-by-step explanation:
Freezing point of water = 0°C
By adding salt, freezing point lowers by 7°C ;
The freezing point of salt water can be expressed as ;
Since temperature lowers :
Freezing point of salt water :
Freezing point of water - 7°C
0°C - 7°C
= - 7°C
-3.073 that is the correct answer
Answer:
m=-3
Step-by-step explanation:
10=7-m
m=7-10=-3
I think the answer it would be D
