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Module 1: The MOLE concept

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Il - neo numero di particelle relazione - attività 4

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XSIQ
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Chemistry - The mole-number of particles relationship - activity 4

The mole-number of particles relationship - activity 4

(a) How many water molecules are present in 1.8 tonnes of water?

(b) The recommended daily allowance of iodine is 5x10 atoms. What mass of
iodine atoms is this?

(c) Determine the number of ions present in 500 mL of 1.5 M NaOH(aq).

Answer

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