Wednesday
August 27, 2014

Homework Help: Chemistry

Posted by mZ. YoU on Thursday, December 21, 2006 at 6:55pm.

Chemical formula for Mercury(II)Chloride, Potassium nitrite, Aluminum hydroxide, Sulfure Dioxide. Let me see if I am right for the ones I completed, okay for Potassium nitrite I put KNO^- and subscript 2 and for Aluminu hydroxide I put AlOH^-.
I also need you to fill in this blank: The formula of a compound may represent the composition of the compound and the mass of ________ mole of that compound

mercury(II) chloride HgCl2
potassium nitrite KNO2 correct.
aluminum hydroxide Al(OH)3
sulfur dioxide SO2

Because it is so much trouble to write the subscripts. we usually just do it this way. HgCl2, KNO2, Al(OH)3, SO2.

If we want to show a superscript, we write a caret (upper case 6), then the number;e.g.,
X3 we write as X^3.

I think on fill in the blank you are looking for the word "one". That is, SO2 tells us that is sulfur dioxide, that written that way is 1 mole of SO2, and 1 mol has a mass of 32(for S) and 32(2x16)for O for a total of 64 grams.Thanks for using Jiskha.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

CHEMISTRY - This is STOICHIOMETRY. Please i need help in the worst way. I don't ...
Chemistry - What mass of solid potassium nitrite would need to be dissolved in ...
chemistry - How many grams of potassium nitrate are required to produce 5.00 g ...
chemistry - write a net ionic equation for the following: 1)Iron (III) chloride ...
Chemistry [Science] - Oh gosh... I need help, with like everything... [Show all ...
chemistry - What is the nitrogen-oxygen bond order in potassium nitrite
chemistry - Ammonium chloride and sodium nitrite react to form sodium chloride, ...
science - Will you please check a few more? Physical change, chemical change or ...
Chemistry - What colors would you expect to see in a flame for the following ...
CHEM - Which reactants could be used safely to prepare potassium chloride? 1. ...

Search
Members