Question

 what is the mass of each one of the following
     a) one mole of water(H2O)
    b) 1 mole of glucose(C6H12O6)​

Answer 1

a) 18 g

b) 180 g

Explanation:

a) 1 mole of water = molecular weight of water

∴ 1 mole of water = 18 g

b) 1 mole of glucose = molecular weight of glucose

 ∴ 1 mole of glucose = 180 g

Answer 2

$\displaystyle\huge\purple{\underline{\underline{Answer : - }}}$

-1 ]

The molecular weight of water is 18 g/mol. Hence, one mole of water weighs 18 g. 

One mole of water contains 6.023×1023 water molecules.

Mass of one water molecule

 =6.023×102318

=2.988×10−23

- 2 ]

=180g

∵n=Molar massMass

∴ Moles of C6H12O6=180g100g

=0.56 moles

∴ No. of moles of C6H12O6 is 0.56 moles

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