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]]> https://paper.wf/paulsutton/index Fri, 20 Oct 2023 19:59:28 +0000 Making chemical solutions https://paper.wf/paulsutton/making-chemical-solutions <![CDATA[Making chemical solutions An important part of Chemistry is the ability to make up solutions of a known concentration. This can sound quite complex, however it doesn't need to be. The following is some simple instructions that will produce 250m of 1molar concentration of Sodium Chloride I have made this solution up using pure Sodium Chloride, from a chemical supplier [1], rather than table salt which contains Sodium Ferrocyanide. If you need extra help with this try asking on Science forums [2] as there is a section on there for home chemistry. I am also on the IRCNow network, where we are starting up a channel to discuss amateur / home science. Links 1 Better Equipped 2 Science Forums 3 Amateur Science Tags #Chemistry,#NaCl,#SodiumChloride,#Molar,#Mol,#Solution,]]> Making chemical solutions

An important part of Chemistry is the ability to make up solutions of a known concentration. This can sound quite complex, however it doesn't need to be.

The following is some simple instructions that will produce 250m of 1molar concentration of Sodium Chloride

I have made this solution up using pure Sodium Chloride, from a chemical supplier [1], rather than table salt which contains Sodium Ferrocyanide. If you need extra help with this try asking on Science forums [2] as there is a section on there for home chemistry.

I am also on the IRCNow network, where we are starting up a channel to discuss amateur / home science.

Links

1 Better Equipped 2 Science Forums 3 Amateur Science

Tags

#Chemistry,#NaCl,#SodiumChloride,#Molar,#Mol,#Solution,

]]> https://paper.wf/paulsutton/making-chemical-solutions Tue, 30 Aug 2022 17:03:51 +0000 Growing salt crystals - 2nd attempt https://paper.wf/paulsutton/growing-salt-crystals-2nd-attempt <![CDATA[ Growing salt crystals - 2nd attempt Following my previous attempt at this. I am now repeating the experiment with pure Sodium Chloride. I am also using a 250ml conical flask, which is much larger. This time I used hot water from the kettle, taking a precaution of warming this up with warm tap water first, just in case the sudden temperature changed caused the flask to shatter. I then added Sodium Chloride powder. Salt crystals 1 Salt crystals 2 I am now leaving this to hopefully grow some nice crystals which I would expect to be more of a cuboid shape. This prediction is based on:- Pictures of similar results The molecular shape of Sodium Chloride. I am doing this for: Support the STEM Group events Hopefully can use this in a school to help children grow their own crystals. Personal interest Research purposes Links Better Equipped Paignton Library STEM Group Science forum discussion Science Forums Discourse Discussion Tuxiversity Qoto Mastodon Social coding Science Daily TAGS #YearOfTheFediverse,#FediverseRising,#Science,#Chemistry,#Growing,#SodiumChloride,#Salt,#Crystals. img src="https://socialhub.activitypub.rocks/uploads/default/original/2X/d/dd8ee2842d572bad100cde42f7c98232e69ea9f7.png" target="_blank" hr a href="https://liberapay.com/PaulSutton/donate"img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg"/a a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"img alt="Creative Commons Licence" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" //abr /This work is licensed under a a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"Creative Commons Attribution-ShareAlike 4.0 International License/a]]> Growing salt crystals – 2nd attempt

Following my previous attempt at this. I am now repeating the experiment with pure Sodium Chloride. I am also using a 250ml conical flask, which is much larger.

This time I used hot water from the kettle, taking a precaution of warming this up with warm tap water first, just in case the sudden temperature changed caused the flask to shatter. I then added Sodium Chloride powder.

Salt crystals 1

Salt crystals 2

I am now leaving this to hopefully grow some nice crystals which I would expect to be more of a cuboid shape. This prediction is based on:-

  • Pictures of similar results
  • The molecular shape of Sodium Chloride.

I am doing this for:

  • Support the STEM Group events
  • Hopefully can use this in a school to help children grow their own crystals.
  • Personal interest
  • Research purposes

Links

TAGS

#YearOfTheFediverse,#FediverseRising,#Science,#Chemistry,#Growing,#SodiumChloride,#Salt,#Crystals.

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License

]]> https://paper.wf/paulsutton/growing-salt-crystals-2nd-attempt Wed, 23 Feb 2022 16:31:53 +0000 Growing Salt Crystals https://paper.wf/paulsutton/growing-salt-crystals <![CDATA[Growing Salt Crystals Reposting this due to adding a link to a Science Forum post. As Salt (Sodium Chloride) dissolves in water, you can grow salt crystals quite easily. There are lots of instructions on the internet, on how to do this with Salt, as well as other chemicals; such as, Alum (Aluminium Sulfate), Borax (Sodium Borate) for example. For the purpose of my attempt, I used *a conical flask from my old Chemistry set, a wooden lollipop stick, string paper clip (to hold the string in the solution) This is illustrated in the first picture, while the 2nd is a photo of the resulting crystal formation. Flask Crystals Update 17/10/2021 I took more photos on the 4th October to illustrate further growth of the crystals one two three It is probably worth mentioning that table salt contains Sodium Chloride but also a Anti caking agent called Sodium Ferrycyanide which according to that wikipedia article is a yellow solid. I am not sure if this somehow affects the growth or shape of the resultng crystals. At some point I should try the same experiment pure NaCl Science forum discussion Science Forums Tags #Chemistry,#Salt,#SodiumChloride,#NaCl,#Crystals]]> Growing Salt Crystals

Reposting this due to adding a link to a Science Forum post.

As Salt (Sodium Chloride) dissolves in water, you can grow salt crystals quite easily. There are lots of instructions on the internet, on how to do this with Salt, as well as other chemicals; such as, Alum (Aluminium Sulfate), Borax (Sodium Borate) for example.

For the purpose of my attempt, I used

*a conical flask from my old Chemistry set,
* a wooden lollipop stick, * string * paper clip (to hold the string in the solution)

This is illustrated in the first picture, while the 2nd is a photo of the resulting crystal formation.

Flask Crystals

Update 17/10/2021

I took more photos on the 4th October to illustrate further growth of the crystals

one two three

It is probably worth mentioning that table salt contains Sodium Chloride but also a Anti caking agent called Sodium Ferrycyanide which according to that wikipedia article is a yellow solid.

I am not sure if this somehow affects the growth or shape of the resultng crystals. At some point I should try the same experiment pure NaCl

Tags

#Chemistry,#Salt,#SodiumChloride,#NaCl,#Crystals

]]> https://paper.wf/paulsutton/growing-salt-crystals Sat, 04 Dec 2021 18:18:53 +0000