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# Why is it not practical to have a macroscopic sample that is 100 percent pure?

Updated: 12/20/2022

Wiki User

β 13y ago

because

Wiki User

β 13y ago

Anonymous

Lvl 1
β 4y ago

IT is un practical

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Q: Why is it not practical to have a macroscopic sample that is 100 percent pure?
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### A sample of 0.53 grams of an ore contains 5.4 percent silver How many milligrams of pure silver are in the sample?

To calculate the amount of pure silver in the sample, multiply the mass of the ore by the percentage of silver: 0.53 grams * 5.4% = 0.02862 grams of silver. To convert grams to milligrams, multiply by 1000: 0.02862 grams * 1000 = 28.62 milligrams of pure silver in the sample.

### How do you make a pure sample of fluorine?

No you cannot make a pure sample of Fluorine because it is an earth made element.

### A sample is composed completely of gold absolutely free of impurities Which term or terms could be used to describe this sample?

The sample could be described as pure gold or 100% pure gold.

### How could you determine is a sample of gold is pure?

One way of determining if a sample of gold is pure, would be to compare the density with that of real gold.

### How could you determine if a sample gold is pure?

One way of determining if a sample of gold is pure, would be to compare the density with that of real gold.

### What is a pure sample of atoms that are all the same known as?

a element is a pure substance

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### A sample thought to be pure lead occupies a volume of 15.0 mi.and has a mass of 160.0g.determine the density and is the sample pure lead?

The density of the sample is calculated by dividing the mass (160.0g) by the volume (15.0 mi^3), which results in 10.67 g/cm^3. The density of pure lead is known to be 11.34 g/cm^3, suggesting that the sample is not pure lead but likely a different material with a lower density.

### Is a sample of pure solid chromium is homogeneous?

Yes, a sample of pure solid chromium would be considered homogeneous because it consists of a single element (chromium) uniformly distributed throughout the sample. This means that there would be a consistent composition and properties throughout the material, making it homogeneous.

### Is democracy practical?

In its pure form, in modern nations, no.

### What criterion is used for the purity of a sample of caffeine?

The purity of a sample of caffeine is often determined by comparing its melting point to the known melting point of pure caffeine. A sample that has a melting point that is close to the expected value is considered pure, while a deviation may indicate impurities in the sample. Additional techniques such as HPLC or spectroscopy can also be used to assess the purity of caffeine samples.

### Which methods is used to obtain pure copper sulphate from impure sample and how?

One method to obtain pure copper sulfate from an impure sample is by recrystallization. In this process, the impure sample is dissolved in water, and then the solution is heated and slowly cooled to allow pure copper sulfate crystals to form. These crystals are then filtered out and dried to obtain the pure compound.