## cocobean Group Title number of Mg(OH)2 formula units in 7.40 moles of Mg(OH)2 one year ago one year ago

7.40 moles of Mg(OH)2 Using the ratio, Multiply by the Avogadro number $7.40 \cancel{\text{ moles of } Mg(OH)_2} \times \frac{6.02 \times 10^{23}\text{ atoms of } Mg(OH)_2}{1\cancel{\text{ mole of } Mg(OH)_2}}=4.45 \times 10^{24} \text{ atoms of } Mg(OH)_2$