Vermilion, a very rare and expensive solid natural pigment that has been used to write an artist’s signature on works of art, is mercury(II) sulfide. What mass of vermilion can be produced when 55.0 mL of 0.03200 M mercury(II) nitrate is mixed with a solution containing excess sodium sulfide? Vermilion is insoluble in water.

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Asked Nov 24, 2019
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Vermilion, a very rare and expensive solid natural pigment that has been used to write an artist’s signature on works of art, is mercury(II) sulfide. What mass of vermilion can be produced when 55.0 mL of 0.03200 M mercury(II) nitrate is mixed with a solution containing excess sodium sulfide? Vermilion is insoluble in water.

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Expert Answer

Step 1

The balanced chemical reaction is written below.

Hg(NO3)2 + Na2S → HgS +  2NaNO3

According to the reaction, 1 mole of Hg(NO3)2 reacts with 1 mole od sodium sulfide to give 1 mole of HgS.

The relation between milliliters (mL) and liters (L) is written below.

1 mL = 0.001 L

Convert  55 mL into liters by using the above rel...

M
V
n
0.03200 M
0.055 L
n 0.00176 mol
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M V n 0.03200 M 0.055 L n 0.00176 mol

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