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labwork [276]
3 years ago
9

How many atoms are in FeS₂?

Chemistry
1 answer:
hammer [34]3 years ago
6 0

Surface model,we used a supercell of

16.1106×16.1106×18.0 And a model of a 3 × 3

9 atoms..

<h3><u>if</u><u> this</u><u> answer</u><u> helps</u><u> you</u><u> plz</u><u> mark</u><u> as</u><u> brainlist</u><u>.</u><u>.</u></h3><h2><u>But</u><u>,</u><u> don't</u><u> </u><u>report </u><u>my</u><u> answer</u><u>.</u><u>.</u></h2>

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Two negative charges

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3 years ago
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Given the unbalanced equation: ___Al2(SO4)3+___Ca(OH)2—&gt;___Al(OH)3+__CaSO4
nasty-shy [4]

Answer:

The answer to your question is letter B. 9

Explanation:

Unbalanced reaction

                     Al₂(SO₄)₃  +  Ca(OH)₂   ⇒    Al(OH)₃   +   CaSO₄

                     Reactants             Elements      Products

                          2                          Al                     1

                          3                           S                     1

                         14                           O                    7

                          1                           Ca                    1

                          2                           H                     3

Balanced reaction

                    Al₂(SO₄)₃  + 3Ca(OH)₂   ⇒   2Al(OH)₃   +   3CaSO₄

                     Reactants             Elements      Products

                          2                          Al                    2

                          3                           S                    3

                         18                           O                  18

                          3                           Ca                  3

                          6                            H                    6

The sum of the coefficients is 1 + 3+ 2+ 3 = 9

8 0
3 years ago
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