Question

The weight of a plastic was 3.75 g, before heating and 3.50 g after heating. What is the loss %
(% decrease)?​

Answer 1

Answer:

6% IS THE CORRECT ANSWER.

Answer 2

Answer:

hope It helped

Step-by-step explanation:

2KClO

3

⟶2KCl+3O

2

2×122.5 g 3×32 g O

2

⟹2×122.5 g KClO

3

show loss of 3×32 g of O

2

100 g KClO

3

shows weight loss of

2×122.5

3×32×100

=39.17

⟹% Loss of weight =39.17