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laiz [17]
3 years ago
13

Which atoms were needed to form the sodium nitrite?

Chemistry
1 answer:
alex41 [277]3 years ago
6 0

Answer:

Molecular Formula : NaNO2 or NNaO2 and Molecular Weight:

68.995 g/mol

Explanation:

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Given the following equation: 8Fe+S8=8FeS
maxonik [38]

Answer:

a. 2954g of FeS

b. 1143g of FeS

Explanation:

Based on the reaction:

8 Fe + S₈ → 8 FeS

<em>8 moles of Fe reacts with 1 mole of S₈ to produce 8 moles of FeS</em>

<em />

a. 4.2mol sulfur produce:

4.2mol S₈ × ( 8 mol FeS / 1 mol S₈) = <em>33.6mol FeS</em>. As molar mass of FeS is 87.92g/mol, mass is:

33.6mol FeS × ( 87.92g / 1 mol FeS) = <em>2954g of FeS</em>

<em />

b. 13mol Fe produce:

13mol Fe × ( 8 mol FeS / 8 mol Fe) = <em>13mol FeS</em>. In mass:

13 mol FeS × ( 87.92g / 1 mol FeS) = <em>1143g of FeS</em>

5 0
3 years ago
Please Help!!! Will mark brainliest plus 30 points!!!
madam [21]
H2O is one.
Ecuals water
7 0
3 years ago
PLEASE HELP<br> I really need someone to answer this!!!!
marshall27 [118]

Answer: I think it’s the first one

6 0
3 years ago
Read 2 more answers
a nickel atom (atomic symbol Ni) has an atomic number of 28 and has an atomic mass of 59. how many neutrons does it have ??
shusha [124]

Answer: 31 neutrons

Explanation:

8 0
3 years ago
NaCl + H2SO4 ---&gt; Na2SO4 + HCl<br> Balance the double replacement chemical reaction.
VikaD [51]

Answer:

2NaCl+H2SO4-->Na2SO4+2HCl

Explanation:

There are two Na on the right, so put a 2 in front of NaCl on the left. This makes 3 Cl also, so put a 2 in front of HCl on the right. There are already 2 H on the left, so the equation is balanced.

7 0
3 years ago
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