Question

2. Three test tubes contain 0.08 litre, 0.42 litre and 220 mi of solution.

a) What is the total volume of solution in ml
ans:

b) How many litres of water need to be added to make the volume of solution up to 1.25 litres ?
ans:
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Answer 1

Answer:

a) 720ml

b) 530ml

Step-by-step explanation:

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Answer 2

Answer:

(a) ans: At first, we have to convert 0.08 litres and 0.42 litres to ml.

We know,

1 litre = 1000 ml

Then,

0.08×1000=80ml

0.42×1000=420ml

Now,

220ml+80ml+420ml=720ml

.°. 720 ml is the total volume of the solution.

(b) We know, 1000ml=1 litres.

So, 720ml= 720/1000 litres

=0.72 litres

Now, 1.25 litres-0.72 litres

=0.53 litres or 530 ml

Step-by-step explanation:

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