Help with this question please, I don't know how to answer it:)
Can anyone please help me.Don't know how to work out this question 
Calculate the following concentrations in micromoles / litre:
1. 1 ppm F - in drinking water
(atomic weight of F 18.9)
2. 2 ppm Pb ++in mains water supply
(atomic weight of Pb 207.2)
Thanks so much
Calculate the following concentrations in micromoles / litre:
1. 1 ppm F - in drinking water
(atomic weight of F 18.9)
2. 2 ppm Pb ++in mains water supply
(atomic weight of Pb 207.2)
Thanks so much
Original post by Jaanu
Can anyone please help me.Don't know how to work out this question
Calculate the following concentrations in micromoles / litre:
1. 1 ppm F - in drinking water
(atomic weight of F 18.9)
2. 2 ppm Pb ++in mains water supply
(atomic weight of Pb 207.2)
Thanks so much
Calculate the following concentrations in micromoles / litre:
1. 1 ppm F - in drinking water
(atomic weight of F 18.9)
2. 2 ppm Pb ++in mains water supply
(atomic weight of Pb 207.2)
Thanks so much
1ppm is effectively 1mg/litre
1ppm means for every million water molecules, you've got one atom of fluorine etc.
Quick Reply
Related discussions
- GCSE Exam Discussions 2024
- TSR Study Together - STEM vs Humanities!
- iDEA Award Silver Entrepreneur Resolution.
- Cambridge Chemistry Challenge
- getting an A* in bio a level without learning ALL of the content?
- your question's answered IDEA bronze and silver
- Mazars Virtual Assessment Centre 2021
- Dental Nurse Zoom OSCE
- A level Arabic.
- Help For AS AQA Psychology Students
- Access course HE (nursing)
- IAL Edexcel Chemistry Student Book 2 (2018) Answers
- have i started revising too late?
- This maths question is driving me crazy
- Has anyone been through the Deloitte Job Simulation?
- I need to improve my chemistry grades; I want to do medicine
- Unit 19: Study Skills Portfolio Building
- Helpp
- i suck at a-level economics
- Gap year and Medicine
Latest
Trending
Last reply 1 week ago
Im confused about this chemistry question, why does it form these productsTrending
Last reply 1 week ago
Im confused about this chemistry question, why does it form these products
