Is magnesium hydrogencarbonate commonly found in lab?

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    Lab Magnesium
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Discussion Overview

The discussion centers around the presence of magnesium hydrogencarbonate (Mg(HCO3)2) in laboratory settings, particularly in the context of preparing magnesium sulfate by reacting with dilute sulfuric acid. Participants explore whether magnesium hydrogencarbonate is commonly found in labs and its stability.

Discussion Character

  • Homework-related, Debate/contested

Main Points Raised

  • One participant lists magnesium hydrogencarbonate as a possible substance for preparing magnesium sulfate and seeks confirmation on its validity.
  • Another participant asserts that their lab has magnesium hydrogencarbonate and considers it not uncommon.
  • A different participant questions the stability of magnesium hydrogencarbonate, suggesting it may be unstable.
  • Another participant responds by indicating that magnesium hydrogencarbonate is stable enough to be sold, referencing its CAS number.

Areas of Agreement / Disagreement

There is no clear consensus on the commonality or stability of magnesium hydrogencarbonate in laboratories, with differing opinions presented by participants.

Contextual Notes

Participants express varying assumptions about the stability and availability of magnesium hydrogencarbonate, which may depend on specific laboratory conditions or definitions of "common." Unresolved aspects include the conditions under which magnesium hydrogencarbonate can be considered stable.

jadelamlam
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Homework Statement


Hi,there is a question from my textbook:
Name FOUR substances commonly found in the laboratory to prepare magnesium sulphate by reacting with dilute sulphuric acid.


Homework Equations





The Attempt at a Solution


Here is my answer:
Mg(OH)2,MgO,MgCO3,Mg(HCO3)2
Here is the model answer:
Mg,Mg(OH)2,MgO,MgCO3

Mg(HCO3)2 react with H2SO4 to give MgSO4:
Mg(HCO3)2 (aq) + H2SO4 (aq) --> MgSO4 (aq) + CO2(g) + H2O(l)

Is it possible for me to write Mg(HCO3)2?If not,please explain briefly.
THX a lot.
 
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Hi :smile:

Our lab has it, and I don't think its uncommon at all.
 
HI :),
That means my answer is possible?
 
jadelamlam said:
HI :),
That means my answer is possible?

Yep.
 
Can you show me a bottle of your magnesium bicarbonate? I was under the impression it was fairly unstable.
 
Apparenbtly it is stable enough to be offered for sale, google for its CAS number 2090-64-4.
 

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