Question

which one has more formula units: 1 g of NaCl or 1 g of KCL?

Answer 1

Answer:

1 g of Nacl.

mass of Nacl= 23+35.5 = 58.5 g=1 mole

mass of KCL= 39+35.5= 74.5= 1 mole

58.5 g = 1 mole

1 g = ?(x)

x= 1/58.5

=0.0170940171 mole

similarly,

1 g of KCL= 1/ 74.5= 0.0134228188 mole

Therefore, if we calculate the number of particles present in each then we will get more number of particles from Nacl as compared to KCL.

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Answer 2

Answer:

1 g of nacl (sodium chloride).

valency of sodium and chlorine -

1 +1.

1 g of kcl (pottasium chloride)

valency of pottasium and chlorine

1+1.

both has equal formula units .

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