Homework Help: Chemistry

Posted by Carlos on Sunday, January 21, 2007 at 4:05pm.

A sample of InCl3, is known to be contaminated with NaCl. The contaminated sample weighs 2.84g. When the contamintaed sample is treated with excess AgNO3(aq). 574 grams of AgCl(s) are obtained. What is the percentage by mass of InCl3 in the sample? (All I really need to know is the chemical equation that results from this)

Figure the grams of Cl in 574g of AgCl.

Then, that same mass of Cl is in the 2.84g sample.

Let P be the decimalpercent of InCl3 in the sample
Let P1 be the decimal percent of Cl in InCl3 (from the formula)
Let P2 be the decimal percent of Cl in NaCl.

massCl= P*P1*2.84 + (1-P)*P2*2.84

solve for P.

No one has answered this question yet.

Answer this Question

Related Questions

chemistry - a sample of indium chloride is known to be contaminated with sodium ...
Chem - A water sample is suspected to be contaminated by iron (III) ions. How ...
chemistry - a contaminated water sample has a H of 3. How many times more acidic...
chemistry - Q#1:what would you look for in a tlc experiment to determine ...
chemistry - treatment of a 0.3203g sample of impure soduim chloride with an ...
chemistry - treatment of a 0.3203g sample of impure soduim chloride with an ...
chemistry - treatment of a 0.3203g sample of impure soduim chloride with an ...
Chemistry - A sample of benzoic acid contaminated with NaCl and sand is to be ...
College Chem - Impure sample of table salt that weighed 0.8421g, when dissolved ...
chemistry - Naturally occurring iodine has an atomic mass of 126.9045. A 12.3849...

For Further Reading

First Name:
School Subject:
Answer: