Question

State law of conservation of mass. It is found that 3.40 g of silver nitrate combines
with 1.5g of sodium chloride and 2.8g of silver chloride is precipitated. Applying law
of conservation of mass and calculate the mass of sodium nitrate formed.
(3)​

Answer 1

Answer:

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants

For the chemical reaction: AgNO  

3

​

+NaCI→NaNO  

3

​

+AgCI  

m  

reactants

​

=m  

products

​

 

m  

AgNO  

3

​

 

​

+m  

NaCl

​

=m  

NaNO  

3

​

 

​

+m  

AgCl

​

 

x+5.85=8.5+14.35

x=17.0 g

Explanation: