An Olympic medal contains 71.5% of gold by mass. How much gold could be extracted from a medal that weighs 115 grams? 1. 82.2 mo
1 answer:
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Answer: 3.72 M
Explanation:
Expression for rate law for first order kinetics is given by:
where,
k = rate constant =
t = age of sample = 15.0 minutes
a = let initial amount of the reactant = 10.0 M
a - x = amount left after decay process = ?
The concentration of in a solution after 15.0 minutes have passed is 3.72 M