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Methonal does not exist.

Methanol (CH3OH) or methanal (CH2O) do exist, which one do you mean.

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Wiki User

12y ago
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2w ago

To lower the freezing point of fresh water by 1 degree Celsius, you need to add 1.86 grams of methanol per kilogram of water. The exact amount will depend on the desired degree of freezing point depression and the quantity of water.

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Q: How much methonal is needed to lower freezing point of fresh water?
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Related questions

Why is the temperature needed to freeze ocean water lower than the temperature to freeze the surface of a fresh water lake?

Ocean water has a lower freezing point than fresh water due to the presence of salt, which lowers the freezing point of water. The salt in ocean water lowers the freezing point by making it more difficult for water molecules to form solid ice crystals. This is why ocean water typically needs to reach a lower temperature to freeze compared to fresh water.


Why does sea water freezes faster than fresh water?

Sea water freezes faster than fresh water due to its lower freezing point caused by the higher salt content. The presence of salt in sea water lowers its freezing point, allowing it to freeze at a lower temperature than fresh water. This phenomenon is known as freezing point depression.


What temp is needed to have rain?

higher than freezing, lower than boiling


What conditions are needed for liquid water?

Temperature higher than freezing and lower than boiling.


Is salt water colder than fresh water?

The freezing point of salted water is lower than the freezing point of pure water; this is a phenomenon known as freezing point depression when a solute exist in the solution.


Which type of water freezes first fresh or salt water?

Fresh water freezes first because it has a lower freezing point compared to salt water. The presence of salt in water lowers its freezing point, which means salt water needs to be colder than fresh water to freeze.


Why sea water freezes at a lower temperature than fresh water?

The salt present in sea water lowers its freezing point.


Why does sea water freezes at a lower temperature than fresh water?

The salt present in sea water lowers its freezing point.


Why is the freezing point for ocean water lower than fresh water?

Ocean water contains salt, which lowers its freezing point compared to fresh water. This is because salt disrupts the formation of ice crystals, requiring colder temperatures for freezing to occur in ocean water.


What are the constants between salt water and fresh water in regards to freezing?

The difference is that fresh water will freeze at 0.c and salt will freeze to a lower temperature due to the presence of impurities (salt).


What is the freezing points of fresh water and salt water?

The freezing point of fresh water is 0 degrees Celsius (32 degrees Fahrenheit). The freezing point of salt water is lower than that of fresh water, typically around -2 degrees Celsius (28.4 degrees Fahrenheit) because the dissolved salt lowers the freezing point.


Is the freezing point of ice cream lower or higher than the freezing point of water?

It is lower.