Conversion of concentration units

Questions (3)

want someone to check if this is right,Q: The concentration of lead in drinking water in a home was found to be 2.1x10-9 M. What
1. 4 answers
2. asked by paul
3. 568 views
Express the following in mol/kg[H+]in a water with a pH of 6.8? Ok, so the pH=-log10[H+]. Here we have a pH of 6.8 so we have...
1. 1 answer
2. asked by Jan
3. 447 views
If a saline solution has a concentration of 0.25 g per mL, calculate the following.a) The concentration of this solution in
1. 1 answer
2. asked by Hannah
3. 460 views