Answer:
The Empirical Formula.
Explanation:
From the empirical formula and using the weight (in g) of a given substance, we can come up with the molecular formula which is the actual weight of a substance. Sometimes, we find that the empircal formula is the molecular formula.
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Answer:
ionic compounds contain a metal and a non metal
covalent compounds contain only non metals
Explanation:
Each type of compound is named according to different rules.
Answer:
The answer is Observation.
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Answer:
The correct answer to the following question will be "0.0013%".
Explanation:
The given values are:
Weight of an empty dish = 1.0041 ± 0.0002 g
Weight of dish + sodium chloride (NaCl) = 3.2933 ± 0.0002 g
Weight of NaCl = 2.2892 ± 0.0002 g
Now,
Volume of the solution = 500.00 ± 0.05 ± 0.0002
= 500.00 ± 0.0502 ml
So,
Molarity = 
On putting the values in the above formula, we get
= 
= (
± 
) × (
± 
)
= (
± 
)
Now,
Absolute error = 
= 
%
