Question

how many atoms are there in 1 mol of Ba???

Answer 1

Hii there

here is your answer

There's 6.0221415*10^23 atoms in a mole of an element, so the number of atoms in 1.37g of Barium is: (9.976188222*10^-3)*(6.0221415*10^23)=6.007801771*10^21 plus or minus a few atoms.

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Answer 2

Answer:

here your answer

Explanation:

in 1 mole of BaCl2 , there are 3 × NA barium and chlorine atoms, where NA is Avogadro's number, 6.022×1023

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