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VARVARA [1.3K]
1 year ago
13

White lead is a pigment used by artists for centuries

Chemistry
1 answer:
MAVERICK [17]1 year ago
3 0

Answer:

true

Explanation:

pigment contains chlorine which gives color

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After mixing an excess PbCl2 with a fixed amount of water, it is found that the equilibrium concentration of Pb2 is
Tanzania [10]

Answer:

Ksp = 8.8x10⁻⁵

Explanation:

<em>Full question is:</em>

<em>After mixing an excess PbCl2 with a fixed amount of water, it is found that the equilibrium concentration of Pb2+ is 2.8 × 10–2 M. What is Ksp for PbCl2?</em>

<em />

When an excess of PbCl₂ is added to water, Pb²⁺ and Cl⁻ ions are produced following Ksp equilibrium:

PbCl₂(s) ⇄ Pb²⁺ + 2Cl⁻

Ksp = [Pb²⁺] [Cl⁻]²

If an excess of PbCl₂ was added, an amount of Pb²⁺ is produced (X) and twice Pb²⁺ is produced as Cl⁻ (2X):

Ksp = [X] [2X]²

Ksp = 4X³

As X is the amount of Pb²⁺ = 2.8x10⁻²M:

Ksp = 4(2.8x10⁻²)³

<h3>Ksp = 8.8x10⁻⁵</h3>
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3 years ago
True or false elements in the same colum have simular properties
AlexFokin [52]
True since ithave same number of electrons and protons
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Regions that receive up to 20 inches of rainfall per year are referred to as __________ because they receive more precipitation
UNO [17]

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semiarid deserts

Explanation:

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Which acid is the acid usually found in your stomach?
amid [387]

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A.hydrochloric acid

Explanation:

4 0
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If you had excess aluminum, how many moles of aluminum chloride could be produced from 28.0 g of chlorine gas, Cl2?
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Yes chemistry. Try to add then multiply the top. Get the moles and you will find it.

Explanation:

Try to add then multiply the moles in the equation

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