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20 यूरिया को जल में घोलकर कुल आयतन 500ml किया गया है। विलयन की % w/V ज्ञात कीजिये।

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यूरिया का द्रव्यमान = 20g 

विलयन का आयतन = 500mL

द्रव्यमान आयतन प्रतिशतता % w/v = \(\frac{20}{500} \times 100\)

= 4%w/V 

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