Question

One atom of an element weighs 1.8 x 10 -22 g . What is the atomic mass of element

Answer 1

Answer:

23.95

Explanation:

moles = given mass/atomic mass

1mole = given mass/atomic mass

》given mass= atomic mass----eqn1

1 mole contains avagadro atoms

weight of substance=no. of atom×weight of one atom

》6.02×10^23 ×3.98×10^-23=23.95g

by eqn1 atomic mass= 23.85g

Explanation:

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