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Chapter 27: Q2P (page 767)

State four desirable properties of a gravimetric precipitate.

Short Answer

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The Four desirable properties of gravimetric precipitate

  1. Easy filterability
  2. Insolubility
  3. High purity
  4. Stable and constant composition

Step by step solution

01

Definition

It is an analytical technique that uses a precipitation reaction to separate ions from a solution. The chemical that is added to cause the precipitation is called the precipitant or precipitating agent

02

Desirable properties of gravimetric precipitate

  1. Easy filterability - Particles should be smaller considering the size
  2. Insolubility – needed in order to get high yield of precipitate
  3. High purity – less impurities need to be present in sample
  4. Stable and constant composition - necessary in order to obtain accurate weight.

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Most popular questions from this chapter

A 50.00-mL solution containingwas treated with excess AgNo3 to precipitate 0.2146 g of AgBr (FM 187.772). What was the molarity of NaBr in the solution?

A solid mixture weighing 0.5485 gcontained only ferrous ammonium sulfate hexahydrate and ferrous chloride hexahydrate. The sample was dissolved in 1MH2SO4 , oxidized to Fe3+ with H2O2, and precipitated with cupferron. The ferric cupferron complex was ignited to produce 0.1678 gof ferric oxide, Fe2O3(FM 159.69). Calculate the weight percent of Clin the original sample.

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Explain what is done in thermogravimetric analysis.

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