calculate mass of non-volatile solute (molar mass 40g mol–¹) which should be dissolved in 114g octane to reduce its vapour pressure to 80%?
Answers
Explanation:
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The speaker of the poem is a school-going child. Every day he happens to meet the hawker who sells bangles, the gardener who digs the garden and a watchman who keeps a close watch on the streets the whole night.
The child in the poem has an innocent mind. He watches all the people around him keenly. He strongly wishes he could lead his life his own way and enjoy the freedom just as a hawker, a gardener or a watchman.
Firstly, on his way to school every day, he notices a hawker selling bangles and he wishes he could spend all his day on the road shouting, “Bangles, crystal bangles!”. He observes that the hawker has nothing to hurry him, there is no fixed road he must take, no definite route he must go to and no allocated time when he must return home. Seeing this liberty, the young boy wishes he could become a hawker and enjoy all these things too.
Secondly, the boy meets a gardener who is busy digging away the garden with his spade. He soils
his clothes with dust and dirt and nobody scolds him for performing this task even if he gets baked in the sun or gets wet in rain or sweat. Seeing this, the young boy wishes that he could become a gardener so that nobody could scold him for digging the garden or for soiling his clothes in dust or even get sweaty due to sunshine.
Thirdly, the boy sees a watchman through his open window who walks up and down in the lonely dark lane and the street-lamp would stand like a giant with one red eye in it’s head. He observes how the watchman swings his lantern and walks with his shadow at his side and he never goes to bed in his life. The young child wishes he could work like a watchman so that even he could walk the streets all night and chase the shadows with his lantern.
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