If you had used 40mL of wash water to was .8555g of AgCl precipitate, and yhe wash water became 60% maximum saturation, how many grams of AgCl would you be washing away? Ksp for AgCl=1.8x10^-10what % error too low would be in ur final answer, ie what % of the solid would be washed away

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Asked Oct 11, 2019
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If you had used 40mL of wash water to was .8555g of AgCl precipitate, and yhe wash water became 60% maximum saturation, how many grams of AgCl would you be washing away? Ksp for AgCl=1.8x10^-10

what % error too low would be in ur final answer, ie what % of the solid would be washed away

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Expert Answer

Step 1

The solubility of silver chloride can be calculated as

Given, K1.8x1010
AgC1 Ag +C1
Agcr]s
K
sp
=1.8x100
1.34x10
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Given, K1.8x1010 AgC1 Ag +C1 Agcr]s K sp =1.8x100 1.34x10

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Step 2

The mass of silver chloride...

Concentration of Ag in solution=60% maximum saturation
moles of Ag dissolved in water-sxVolume of water use d in L)x 0.6
AgCl dissolvedin water=1.34x10x40 x1 0* x 0.6
3.216x107 mol
massof AgClwashed away=3.216x10"molx143.32 g/mol
4.609x10 g
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Concentration of Ag in solution=60% maximum saturation moles of Ag dissolved in water-sxVolume of water use d in L)x 0.6 AgCl dissolvedin water=1.34x10x40 x1 0* x 0.6 3.216x107 mol massof AgClwashed away=3.216x10"molx143.32 g/mol 4.609x10 g

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