Which of the following conversions does the value of the conversion factor depend upon the formula of the substance?
a. moles of any substance to number of particles.
b. mass of any substance to moles.
c. volume of gas (stp) to moles.
d. density of gas (stp) to molar mass.

mass of any substance to moles.

Explanation:

The conversion of mass to moles depends on the formula of the compound because the mass of the substance is obtained from the formula of the compound. For example. The formula of sodium chloride NaCl, there is one atom of sodium (Relative atomic mass 23) and one atom of chlorine (relative atomic mass 35.5) hence, 1 mole of NaCl has a mass of 58.5g. This becomes the mass to mole conversion factor for NaCl obtained from its formula.

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explanation:

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