Which reaction is represented by the net ionic equation for the combination of aqueous solutions of LiNO3 and NaC2H3O2?
1 answer:
Answer:
This question is incomplete
Explanation:
This question is incomplete but the completed question is in the attachment below. To determine the net ionic equation, one must first write the complete equation which is shown below
LiNO₃ + NaC₂H₃O₂ ⇒ LiC₂H₃O₂ + NaNO₃
The ionic equation represented from the above equation will be
Li¹⁺ NO₃⁻ + Na¹⁺ C₂H₃O₂¹⁻ ⇒ Li¹⁺ C₂H₃O₂¹⁻ + Na¹⁺NO₃¹⁻
Because the resultant NaNO₃ formed is an ionic compound (which does not form a molecule), the correct option from the options provided is the first option
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Answer:
The age of the sample is 4224 years.
Explanation:
Let the age of the sample be t years old.
Initial mass percentage of carbon-14 in an artifact = 100%
Initial mass of carbon-14 in an artifact =
Final mass percentage of carbon-14 in an artifact t years = 60%
Final mass of carbon-14 in an artifact =
Half life of the carbon-14 =
Solving for t:
t = 4223.71 years ≈ 4224 years
The age of the sample is 4224 years.