Chemistry, asked by tbctharenga, 6 months ago

Define parts per million

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Answered by bzainaba73

1

Answer:

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Answered by sunil2013sonkar

1

Answer:

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Explanation:

In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-quantity measures, they are pure numbers with no associated units of measurement

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