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Then it is possible to measure accurately the weight of it, so you know exactly how many moles of the primary standard you have. When it would have been hygroscopic then your actual mass of the standard is lower than the measured, caused by the extra weight of water.

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What is the common primary standard used in the laboratory to standardize of NaOH and HCl?

Sodium Carbonate (Na2CO3) is most commonly used to standardise acids as it is non-hygroscopic (doesn't absorb water from the atmosphere).Oxalic Acid (HOOCCOOH or H2C2O4) used to standardise bases


Is potassium gold cyanide hygroscopic?

In crystalline form it's non-hygroscopic, or has only slight hygroscopicity. In powder form it is, yes.


Is toluene or hexane hygroscopic?

Neither toluene nor hexane are hygroscopic, as they do not readily absorb or attract water from the atmosphere. They are both non-polar solvents and typically do not form strong interactions with water molecules.


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.


Why is KHP used as a primary standard for non aqueous titration?

Potassium hydrogen phthalate (KHP) is used as a primary standard for non-aqueous titrations because it is a highly pure compound that can be easily dried to a constant weight. It also has a high molecular weight, which leads to more accurate measurements during the titration process. Additionally, KHP has a stable structure that makes it less prone to decomposition compared to other compounds.

Related Questions

What is the opposite of Hygroscopic?

Non-Hygroscopic


What must be done to determine the concentration of a non standard solution?

Titrate it with a primary standard


What is the common primary standard used in the laboratory to standardize of NaOH and HCl?

Sodium Carbonate (Na2CO3) is most commonly used to standardise acids as it is non-hygroscopic (doesn't absorb water from the atmosphere).Oxalic Acid (HOOCCOOH or H2C2O4) used to standardise bases


What is GR about primary education of first to eight standard examination of maharashtra government?

non granted school


Is potassium gold cyanide hygroscopic?

In crystalline form it's non-hygroscopic, or has only slight hygroscopicity. In powder form it is, yes.


What is the standard visitation for the non custodial parent if the custodial parent has primary physical custody in Tennessee?

SEE LINKS BELOW


Is toluene or hexane hygroscopic?

Neither toluene nor hexane are hygroscopic, as they do not readily absorb or attract water from the atmosphere. They are both non-polar solvents and typically do not form strong interactions with water molecules.


What type of colors?

primary and non primary


What are types of colors?

primary and non primary


When is 1 plus 1 NOT equal to two?

Whenever you use any non-standard definition.Whenever you use any non-standard definition.Whenever you use any non-standard definition.Whenever you use any non-standard definition.


Ancient non-standard units of measurement in the Philippines?

non standard units:dakotdalidamakdangkaldipagusihakbangkaingsakosaloptalampakantimuropiranggotsandamakbisigguhitkagitnagatangchimantakabansaloksaromangkokkisap matasaglitsandali


Is non key is same as those key that are not primary key?

A non-key field can be any field in the table that is not the primary key. During the process of normalisation identifying non-key fields is important, as they and other fields may be moved and new tables created. Foreign keys will be left in the table.