You can put salt in water and record how long that takes the water to dissolve. And then have just water in a cup and see how long it takes the water ti dissolve compared to the salt water.
The 5 is a coefficient while the 2 is a subscript.
If I made no mistake in calculation, the given answer must be correct...(tried my best)
elements : carbon hydrogen oxygen Fluorine
composition [C] 24 3 16 57
M r 12 1 16 19
(divide C by Mr) 2 3 1 3
(Divide by smallest value) 2 3 1 3
(smallest value = 1...so all value remained constant)
Empirical formula : C2H3OF3
if molar mas = 100 g per mole, then
first step calculate Mr. of empirical formula: [= 100]
Them molecular formula = empirical formula
Answer: 123,087.95 calories
Explanation:
