Answer Posted / panchanan

1% means 1/100ml (w/v)

we know that 1mg/1000= 1ppm

1000mg------1000ml =1000ppm
1000mg------100ml =10000ppm
1000mg------10ml =100000ppm

so 1% solution equal to 10000ppm

another answer

we know that 1 ppm=0.0001%
therefore 1% equal how much ppm ? cross multiplication

1/0.0001=10000ppm

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