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What does the subscript in a chemical formula tell you?

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The number of the previously named atoms in the compound. Water has 2 Hydrogen atoms and one Oxygen atom -- H2O, where the 2 is a subscript.

Posted on May 03, 2017

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limiting reactant:
The limiting reagent, or also called the "limiting reactant", is the chemical that determines how far the reaction will go before the chemical in question gets used up, causing the reaction to stop. The chemical of which there are fewer moles than the proportion requires is the limiting reagent.

Limiting reagent formula
There is a much simpler formula which can be used. However, you must first calculate the moles of both of the reagents in the reaction. Once the number of moles have been figured out, just simply fill in this equation (reagent 1 being the first reactant and 2 being the second):

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Steps on how to apply superscript


In earlier version of Microsoft Office (Word 2003), trying to write a subscript or superscript takes quite a time but with the new Word 2007 it's so simple. For those who are writing technical articles face situation to use these subscripts and superscripts in almost every article like mathematical formulae or chemical equations.
What are Subscript and Superscript? A subscript appears smaller and below the baseline (Ex. H2O or X2) while a superscript appears smaller and above the baseline (Ex. X3)
How to Subscript and Superscript in Office 2003 and 2007?
In Word 2003, select the characters that you would like to change. Go to Format menu and Click Font, from the Font tab you have to select subscript or superscript.
In Word 2007, select the character that you would like to change and Click the Superscript or Subscript symbol from the ribbon under the home tab.aviral_srms_14.jpgIn both Word 2003 and Word 2007, you can also use keyboard Shortcut keys to make the characters as Subscript or Superscript.
Superscript: Press CTRL+SHIFT+=
Subscript: Press CTRL+=

If you work on Windows and Office Applications most of the time then these posts on Keyboard Shortcuts for Windows and Office will help you a lot.

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