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dezoksy [38]
3 years ago
5

Carbon-14 is the typical radioisotope used to date materials; however it has limitation to 40000 years a scientist who wants to

date materials older than 40000 years would most likely use
A. Uranium- 238
B. Rubidium- 91
C. Iodine- 131
D. Cobalt- 60
Chemistry
1 answer:
ycow [4]3 years ago
6 0

Answer:

The answer would be Uranium-238

Explanation:

It's the only one that lasts longer than 40,000 years

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A dunk tank hold 30,533 moles of water? How many grams of water are in the tank?
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The mass of water in the tank, given the data from the question is 549594 g

<h3> Description of mole </h3>

The mole of a substance is related to it's mass and molar mass according to the following equation:

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<h3>How to determine the mass of water in the tank</h3>

From the question given above, the following data were obtained:

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The mass of the water can be obtained as follow:

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