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Sodium-25 was to be used in an experiment, but it took 3 minutes to get the sodium from the reactor to the laboratory. If 9.22 mg of Na-25 were removed from the reactor, how many mg of Na-25 were placed in the reaction vessel 3 minutes later, given that the half-life of Na-25 is 60 seconds?

Answer :

if 9.22 mg of na-25 were removed from the reactor 0.625 mg of na-25 were placed in the reaction vessel 3 min later if the half-life of na-25 is 60 seconds.

In what metal are reactors constructed?

A reactor can be fueled with a variety of materials, although uranium is the most often utilized fuel. Oceans contain uranium, which is widely distributed throughout the earth and is also rather abundant. You can also use other fuels, such thorium and plutonium. Uranium is used as nuclear fuel in reactors. The uranium is transformed into tiny ceramic pellets and piled into fuel rods, which are enclosed metal tubes. To create a fuel assembly, typically upwards of 200 of all these rod are bundled together.

Given that,

the half-life of na-25 is 60 seconds

9.22 mg of na-25 were removed from the reactor

now,

(5)(½^(3/1)) = 0.625 mg

3 half lives later 5/2 = 2.5mg,

Consequently, 2.5/2 = 1.25 mg, and 1.25/2 = 0.625 mg remain.

To know more about reactor refer to:

brainly.com/question/12934393

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Rewritten by : Barada

If the na-25's half-life is 60 seconds, 0.625 mg was added to the mixture vessel 3 minutes later.

In what metal are reactors constructed?

A reactor can be fueled with a variety of materials, although uranium is the most often utilized fuel. Oceans contain uranium, which is widely distributed throughout the earth and is also rather abundant. You can also use other fuels, such thorium and plutonium. Uranium is used as nuclear fuel in reactors. The uranium is transformed into tiny ceramic pellets and piled into fuel rods, which are enclosed metal tubes. To create a fuel assembly, typically upwards of 200 of all these rod are bundled together.

(5)(½^(3/1)) = .625 mg

3 half lives later 5/2 = 2.5mg,

Consequently, 2.5/2 = 1.25 mg, and 1.25/2 = 0.625 mg remain.

To know more about Reactor visit :

https://brainly.com/question/12934393

#SPJ4