Question: help me with these please! 4. 2.89 x 10 molecules of ammonia = 23 moles of ammonia molecules 5. 15 moles of arsenic atoms :

help me with these please! help me with these please! 4. 2.89 x 10 molecules of ammonia

4. 2.89 x 10 molecules of ammonia = 23 moles of ammonia molecules 5. 15 moles of arsenic atoms : atoms of arsenic 6. 4.00 x 10 moles of barium atoms = atoms of barium

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