Wednesday
September 17, 2014

Homework Help: chemistry

Posted by cal on Tuesday, February 12, 2008 at 10:12am.

What is the sum of the coefficients (including 1) of the balanced equation?
__CaCO3 + __NaF __ CaF2 + __Na2CO3

4
5
6
7
8


If you start with 20.0 grams CaCO3, how many moles of CaCO3 do you have?

20.0
2.00
.200
.0200
.0386


If you start with .500 moles of NaF, how many moles of CaF2 will form
.500
1.00
1.50
2.00
0.250


What is the sum of the coefficients (including 1) of the following reaction?
Sodium sulfate + calcium hydroxide ???

4
5
6
7
9


Predict the precipitate that forms: HCl + AgNO 3 ???
HNO3
HCl
AgNO3
AgCl
no precipitate forms

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - Could you explain this problem to me? What is the sum of the ...
chemistry - The balanced reaction is CaCO3 + 2 NaF -> CaF2 + Na2CO3 If you ...
chemistry - How many of the following are true concerning balanced chemical ...
chemistry check - What is the sum of the coefficients (including 1) of the ...
chemistry - When the following combustion reaction is balanced using the ...
chemistry - During combustion, methine yeilds carbon dioxide and water. the ...
Science - For each reaction in a lab I have to write: 1. the balanced molecular ...
Chemistry - This is a three part problem I need help in figuring out pleaseI n ...
Chemistry - This is a three part problem I need help in figuring out pleaseI n ...
Chemistry - BrO3^-(aq)+Sn^2+(aq)+ ____ -->Br^-(aq)+Sn^4+(aq)+ _____ H20(l)and...

Search
Members