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What must be done to determine the concentration of a non standard solution?
Titrate it with a primary standard
What is a secondary solution?
A solution that has been titrated against a primary standard solution.
What is Secondary standard solution in volumetric analysis with example?
Primary standard is a chemical entity available with highest purity and stability with high molecular weight. e.g. KHP, NaCl, Calcium salt used in standardisation of volumetric solution. Secondary standards are compounds used in analysis after evaluation against primary standards. e.g.- NaOH VS, Sodium thiosulphate VS
What is the minium purity of a substance used to prepare a primary standard?
The minimum purity of a substance used to prepare a primary standard should be at least 99.8% to ensure accuracy and reliability of the standard solution. Impurities in the substance can lead to errors in the final concentration calculations.
What is the primary purpose of the SABS 400 standard?
The primary purpose of the SABS 400 standard is to provide guidelines and requirements for the construction and maintenance of electrical installations in South Africa. It aims to ensure the safety of electrical installations and equipment, as well as compliance with relevant regulations and industry best practices.
Difference between primary standard solution and a secondary standard solution in acid-base titration?
primary standard solution is prepared by direct measurements of the mass of solute and the volume of solution.whereas, a secondary standard solution is a solution whose concentration can't be determined directly from weight of solute and volume of solution, the concentration must be determined by analysis of the solution itself.
What is primary standard?
A primary standard solution is generally a solution prepared and certified by an authorized and specialized institution (for example: NIST - National Institute for Standards and Technology).
What must be done to determine the concentration of a non standard solution?
Titrate it with a primary standard
What is the primary standard solution for checking normality of Hcl?
NaOH
What are the types of standard solutions?
The two main types of standard solutions are primary standard solutions, which are highly pure and stable substances that can be used to make precise titrations, and secondary standard solutions, which are solutions prepared using a primary standard solution as a reference for their concentration.
What is primary standard solution?
A primary standard solution is a highly purified compound that is used as a reference material for accurately determining the concentration of another solution through titration. It is typically used in titration experiments due to its known high purity and stability.
What is standard solution in titration?
A standard solution in titration is a solution of known concentration that is used to determine the concentration of another solution. It is typically a primary standard that can be accurately weighed and dissolved to make a solution of precise concentration. Standard solutions are essential in titration to accurately measure the volume of the solution being titrated and calculate its concentration.
What is a secondary solution?
A solution that has been titrated against a primary standard solution.
Why is it necessary to standardize a solution of NaOH using a primary standard, such as KHP?
It is necessary to standardize a solution of NaOH using a primary standard like KHP because primary standards are highly pure and have a known exact mass. This allows for accurate and precise determination of the concentration of the NaOH solution, ensuring reliable and consistent results in experiments.
Is sodium thiosulphate solution a primary standard?
No, sodium thiosulfate solution is not typically considered a primary standard. It is commonly used as a titrant in redox titrations rather than as a primary standard due to its susceptibility to oxidation by air. Primary standards are typically pure, stable compounds that can be used to standardize solutions.
How many types of standard solution?
ANSWER:- There are nine types of solution:- (1). Gas of Gas. (2).Gas of Liquid. (3).Gas of Solid. (4).Liquid of Gas. (5).Liquid of Liquid. (6).Liquid of Solid. (7).Solid of Solid. (8).Solid of Liquid. (9).Solid of Gas.
Is EDTA considered as a primary standard?
No. Chemical compounds have to fulfill a number of requirements before they can be classified and used as a primary standard: A primary standard in chemistry is a reliable, readily quantified substance. Features of a primary standard include: 1. High purity 2. Stability (low reactivity) 3. Low hygroscopicity and efflorescence 4. High solubility (if used in titration) 5. High equivalent weight 6. Non-toxicity 7. Ready and cheap availability Edta and particularly the sodium salts of EDTA which are frequently used do not fulfill the first requirement. Therefore the solution of EDTA has to be standardised against a known and accepted primary standard.
