Answer:
52.54 %
Explanation:
Half life = 29 years
Where, k is rate constant
So,
The rate constant, k = 0.023902 hour⁻¹
From 1964 to 1991:
Time = 27 years
Using integrated rate law for first order kinetics as:
Where,
is the concentration at time t
is the initial concentration
So,
<u>The strontium-90 remains in the bone = 52.54 %</u>
1:3 hope DAT helps #ZedTheZom
Answer:
H2O
Explanation:
There are 2 hydrogen atoms and 1 oxygen atom
think it maybe 48 mg0 because there should be 2g magnesium in the word equation
i need more information
sorry
good luck thoooo