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Arturiano [62]
3 years ago
11

Which type of test helps forensic scientists to narrow down the possibilities of what drug a substance may be?

Chemistry
2 answers:
kobusy [5.1K]3 years ago
8 0

The right answer is screening test.

In medicine, screening consists of looking for one or more diseases or abnormalities known as "at risk" in individuals of a given population.

These investigations are followed or not by medical consultations, clinical examinations and treatments.

In addition, screening is a preliminary procedure (test or examination) to detect one or more characteristic signs or symptoms of a disease or syndrome and potentially leading to further investigation.

blagie [28]3 years ago
8 0

Answer:

Screening Test

Explanation:

gradpoint

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Calculate the number of moles represented by 21.7 g fe.
fiasKO [112]

The correct option is (e) 0.389 moles.

The number of moles represented by 21.7 g fe 0.389 moles.

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(21.7g) x (1mol/55.85g) = 0.389 moles

<h3>What is moles?</h3>

The mole, represented by the symbol mol, is the fundamental SI unit of material quantity. The amount of a substance determines how many elementary entities of that substance are present in an object or sample. Since the SI fundamental units were revised in 2019, the mole is now exactly defined as 6.022140761023.

<h3>Why the mole is a base unit?</h3>

The amount of a substance determines how many elementary entities of that substance are present in an object or sample. Since the SI fundamental units were revised in 2019, the mole is now exactly defined as 6.022140761023.

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