1.how many particles are equal to l mole ?
A.6.02 x 10²¹
B.6.02 x 10²⁵
C.6.02 x 10²³
D.6.02 x 10²⁴
2.Avogadro number represents its the number of atoms in___
A.12g of C-12
B.320g of S-32
C.32g of 0-16
D.12.7g of l two
3.Which of the following units is used in expressing the amount of substance in term of the number of particles A.grams B.centimeter C.mole D.liter
A.6.02 x 10²¹
B.6.02 x 10²⁵
C.6.02 x 10²³
D.6.02 x 10²⁴
2.Avogadro number represents its the number of atoms in___
A.12g of C-12
B.320g of S-32
C.32g of 0-16
D.12.7g of l two
3.Which of the following units is used in expressing the amount of substance in term of the number of particles A.grams B.centimeter C.mole D.liter
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Answer:
1.c
2.a
3.c
4.c or b
explanation