3 years ago

How to calculate atomic mass?

2 answers:

8 0

Atomic Mass = Mass of Proton and Neutron

3 0

Setermine which isotopes are in the sample

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ladessa [460]

Answer:

4Fe + 3O₂ → 2Fe₂O₃

Explanation:

Fe → ²⁺

O → ²⁻

But Iron III is Fe³⁺

So we have Fe³⁺ and O²⁻, the formula for the oxide must be Fe₂O₃ so the equation can be:

4Fe + 3O₂ → 2Fe₂O₃

6 0

3 years ago

babunello [35]

Answer:

Explanation:

Heating a piece of iron until it glows.

3 0

2 years ago

Nesterboy [21]

The answer should be Pure substance

5 0

3 years ago

TEA [102]

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bit. $^{}$ ly/3a8Nt8n

8 0

3 years ago

a_sh-v [17]

Answer:

Explanation:

all you do is the math expression

4 0

2 years ago