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6 October, 08:17

When making a molar liquid solution from a dry chemical stock, you must know the molecular weight of the compound.

(A) True

(B) False

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Answers (1)
  1. 6 October, 08:38
    0
    A

    Explanation:

    The concentration of a molar solution is expressed in mol/L. In practice, in the laboratory, moles are not able to be measured. What can be measured is the mass of the compound, usually in g. To convert from grams to moles, the molecular weight in g/mol is required.
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