Question

the atomic mass of copper metal is 63.6 AMU calculate the mass of 3.5 moles of copper ​

Answer 1

Answer:

Explanation:

moles=mass in gm÷molecular weight

mass=moles × mw

mass=3.5×63.6

mass=222gm

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Answer 2

Answer:

222.6

Explanation:

1 mole of Cu=63.6

3.5mole of Cu=63.6×3.5

=222.6

but if you take 1mole Cu=63.546

3.5mole of Cu=63.546×3.5

=222.411

Though according to your question the answer is 222.6