How heavy is a mole of things

Let's compare the dozen and the mole once more.

 

Total mass of these Pink Lady apples  24kg

Each Pink Lady apple weighs 200grams.

The total mass of all the apples on the left is 24kg.

How many dozen apples are present?

Each mango weighs 300grams. The total mass of the box of mangos is 5.4kg.

How many dozen mangos are present?

 

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