What is the name for conversion factor that takes you from moles of compound "A" to ions of component "A"

a) avogadro's number
b) mole ratio
c) molar volume
d) molar mass

Avogadro's number

Explanation:

The name for conversion factor that takes you from moles of compound "A" to ions of component "A" is Avogadro's number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

98 g of SO₄²⁻ = 1 mole = 6.022 × 10²³ ions of SO₄²⁻

Consider the example:

5 g of sodium chloride contain how many sodium ions?

Number of moles = mass/ molar mass

Number of moles = 5 g/ 58.5 g/mol = 0.1 mol

NaCl = Na⁺Cl⁻

0.1 × 6.022 × 10²³ ions = 0.6022× 10²³ ions

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