2 years ago

Write the skeleton equation: Cobalt and Sulfur react to produce Cobalt (II) Sulfide

1 answer:

7 0

Answer:

Co + S = Co2S3

Explanation:

pretend = is the arrow

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Svetradugi [14.3K]

Answer:

Explanation:

huh

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3 years ago

Elodia [21]

Solution :

Molar mass of $C_6H_6$ is :

M = 6×12 + 6×1 g

M = 78 g

78 gram of $C_6H_6$ contains $6.022 \times 10^{23}$ molecules.

So, 89.5 gram of $C_6H_6$ contains :

$n = 6.022 \times 10^{23} \times \dfrac{89.5}{78}\\\\n = 6.91 \times 10^{23}$

Now, from the formula we can see that one molecule of $C_6H_6$ contains 2 hydrogen atom . So, number of hydrogen atom are :

$h = 2\times 6.91 \times 10^{23}\\\\h = 1.38 \times 10^{22}\ atoms$

Hence, this is the required solution.

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2 years ago

Illusion [34]

Chemical change
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4 0

3 years ago

kramer

Answer:

Explanation:

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3 years ago

BigorU [14]

1.07 mol would be your answer

7 0

3 years ago