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oksian1 [2.3K]
3 years ago
6

Plz help with 1 i don’t know what to answer as!!

Chemistry
2 answers:
tamaranim1 [39]3 years ago
7 0

Answer: results are based on a small sample size

Explanation:

the other answers wouldnt make sense

shusha [124]3 years ago
5 0

Answer:

A. It can be reproduced.

Explanation:

I saw the other answer and I have to disagree. A small scale experiment wouldn't have much data so it may not be completely accurate. If it can be reproduced it means it is possible and has the same results. Scientists copy each other's things to prove or disprove them (this also goes with how it should be reviewed by peers)

everything else wouldn't make sense

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Answer:

359 grams FeO

Explanation:

To find how many grams FeO are produced, you need to use the moles of Fe, convert it to moles of FeO (using the mole-to-mole ratio from the equation), then convert the moles of FeO to grams (using the molar mass from the periodic table).

2 Fe + O₂ --> 2 FeO

Molar Mass (FeO) = 55.845 g/mol + 16.00 g/mol

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5.00 moles Fe           2 moles FeO            71.845 grams
----------------------   x  ------------------------  x  ----------------------  = 359 grams FeO
                                   2 moles Fe               1 mole FeO

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