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What is the concentration of food colouring in Parts per Million (ppm)? 1 mL of food colouring was put into a solution of 99 mL of water.

This question is part of Environmental Chemistry Unit Test
Asked by ROSALINA P. CAINTIC, Last updated: Jan 13, 2020

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2 Answers

aaeeztk

Aaeeztk

Answered Jan 20, 2019

I still got it wrong even though i write 10,000

 

Smartiecheez

Smartiecheez

Answered Mar 03, 2018

10,000, 10 000
 

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