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mina [271]
2 years ago
6

Balance the equations

Chemistry
1 answer:
OLga [1]2 years ago
3 0

Answer: a) H_3PO_4+3NaOH\rightarrow Na_3PO_4+3H_2O

b) PCl_3+3H_2O\rightarrow P(OH)_3+3HCl

c) 2Al+3H_2SO_4\rightarrow Al_2(SO_4)_3+3H_2

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side.

The balanced chemical equations are :

H_3PO_4+3NaOH\rightarrow Na_3PO_4+3H_2O

PCl_3+3H_2O\rightarrow P(OH)_3+3HCl

2Al+3H_2SO_4\rightarrow Al_2(SO_4)_3+3H_2

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