Question

The weight of the plasitic was 3.75 g ,before heating and 3.50g after heating. What is the percentage decrease ? Please please give the answer friends
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Answer 1

Answer:

1.07

step by step

Weight of plastic- 3.75g

After heating weight - 3.50g

So, Percentage decrease = 3.50/3.75 × 100

= 1.07 ×100

= 1.07%