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Why is the iron weighed accurately on an analytical balance while the copper sulfate is weighed on a top-pan balance?
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∙ 10y ago
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What is the difference between 0.2M 0.200M solution?
The only difference is that a 0.200M solution is made more accurately the substance in this case would have to weighed out on a 3 place balance. An 0.2M would only need a 1 place balance.
How to standardize 0.1N NaoH?
Because NaOH is hygroscopic, meaning it absorbs water from the air, NaOH cannot be accurately weighed. To standardize 0.1 M NaOH, a solution is made to an approximate concentration of 0.1 M and then standardized by titrating an accurately weighed quantity of a primary standard.
How do you balance Fe O2 Fe3O4?
By this following reaction:Fe2+ + Fe3+ + OH- ----> Fe3O4 + H2OIt comes out as a black precipitate. Generally this reaction is done by using Iron(II) Chloride, Iron(III) chloride and Ammonium hydroxide.
When chemicals are weighed on a balance how is the pan protected?
To keep the balance clean and to keep chemicals from mixing with other chemicals. Also some chemicals can react with the metal of the balance pan and cause it to corrode or rust. Always use weighing paper or a small dish or beaker to weigh out chemicals.
Explain why the content is not weighed while it is still hot?
1. Analytical balances are calibrated to work at a standard temperature, as a rule 20 0C. High temperatures is a cause of the distortion of mechanical parts. 2. The density of materials depends on the temperature. 3. The conditions of weighing must remain constant during the process of analytical determinations and other chemical experiments.
What is the lightest weight which can be weighed in an analytical balance?
This depends on the balance model; for a typical balance this value is 0,1 mg.
How is solving an equation similar to keeping a scale in balance?
A scale works best when the object being weighed is stationary. Otherwise the object is shifting and can't be weighed accurately.
What is the difference between 0.2M 0.200M solution?
The only difference is that a 0.200M solution is made more accurately the substance in this case would have to weighed out on a 3 place balance. An 0.2M would only need a 1 place balance.
What are the release dates for Weighed in the Balance - 1911?
Weighed in the Balance - 1911 was released on: USA: 21 April 1911
What are the release dates for Weighed in the Balance - 1913?
Weighed in the Balance - 1913 was released on: USA: 25 August 1913
What are the release dates for Weighed in the Balance - 1915?
Weighed in the Balance - 1915 was released on: USA: 13 August 1915
Can you weigh matter?
Yes matter can be weighed. It can be weighed by using balance.
Why are objects to be weighed placed on the center of a pan?
The objects to be weighed are placed on the center of a pan so they can be weighed accurately, without the pan tipping over.
What actors and actresses appeared in Weighed in the Balance - 1915?
The cast of Weighed in the Balance - 1915 includes: Claude Cooper as John Hastings
What actors and actresses appeared in Weighed in the Balance - 1911?
The cast of Weighed in the Balance - 1911 includes: Frank Hall Crane as The Banker
What are the advantages of analytical balance?
An analytical balance is typically defined as a balance with a display resolution of 0.1mg. Usually it will have a draft shield around it. Although it can be used to describe any precision balance.
What is the mass of the material being weighed on this balance?
110.1
