No of water molecules in 0.09g of water
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Molar mass of water = 18 g
Mass of 1 mole of molecules is 18 g
Number of molecules in 0.09 g is
= (0.09 g)/(18 g) × 1 mol
= 0.005 mole
= 0.005 × 6.022 × 10²³
= 3.011 × 10²¹
There are 3.011 × 10²¹ molecules is 0.09 g of water
Mass of 1 mole of molecules is 18 g
Number of molecules in 0.09 g is
= (0.09 g)/(18 g) × 1 mol
= 0.005 mole
= 0.005 × 6.022 × 10²³
= 3.011 × 10²¹
There are 3.011 × 10²¹ molecules is 0.09 g of water
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