The addition of 50 g of salt to a sample of pure water causes its freezing point to be reduced from 0.0°C to -3. 15° C. Determine how by how many degrees the freezing point dropped for every 10 g of salt added.

15.8° C
4.69° C
0.63° C
0.32° C

Question

The addition of 50 g of salt to a sample of pure water causes its freezing point to be reduced from 0.0°C to -3. 15° C. Determine how by how many degrees the freezing point dropped for every 10 g of salt added. 


15.8° C
4.69° C
0.63° C
0.32° C

anonymous · Answer

Where are you stuck at?

phi · Answer

I would set up a proportion
$$\frac{3.15 }{50 \text{ g}}=\frac{x}{10 \text{ g}} $$
ans solve for x by multiply both sides by 10