Question

5%(w/v)Nacl के 200mlविलयन कितने naclकी आवश्यकता होगी

Answer 1

Explanation:

Hey mate

Here's ur ans

5%w/ v means

100ml is present in 5g NaCl

So 1ml = 5/100g

= 1/20

For 200ml =200/20 = 10

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