Answer:
Hexanoic acid is water insoluble and sodium hexanoate is water soluble
Explanation:
Hexanoic acid is water insoluble because of presence of long 6 membered non polar and hydrophobic hydrocarbon chain.
When hexanoic acid is treated with NaOH, it is converted to an ionic salt sodium hexanoate which is highly soluble in water because of it's ionic nature.
So, the reaction is given as:
Hexanoic acid + NaOH Sodium hexanoate + water
Reaction in terms of molecular structure has been shown below.
Evaporation is one change.
D. H and S sense they seem more closer
Answer:
A. Controlled variable
Explanation:
a controlled variable or a constant variable is a variable that doesnt change during an experiment
The Iron (III) ion is
The sulfate ion is
Thus when forming the compound iron (iii) sulfate you would need three sulfate ions bonded to two iron ions in order to fill the valency requirement
∴ the formula would be Fe₂(SO₄)₃
Whenever you are adding a number to a radical you must bracket it.