Question

Convert into moles

( 1. ) 18g of water

Answer 1

Answer:

we know the molecular mass of hydrogen is 1 and oxygen is 16.

we know the formula of water is H20

H2O

=2x1+16

= 2+16 =

= 18g

So, one mole of water weight is 18g.

therefore no of mole = give mass/molar mass =

so, 20/18 = 1.11 moles

Answer 2

Answer:

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