i have just learnt that one mole is actually what i had learnt as one molecule. now one atom is also known as one mole.eg. one mole of methane has 5 moles of atoms( this sentence is written by my teacher and no matter how i try to look at it from different perspectives it just seems wrong, i can't seem to understand it.:( )
anyway, this is one of the hw qns i have problems with.
what is the concentration of hydrogen ions when 100cm3 of 0.20 mol/dm3 of nitric acid is mixed with 300cm3 of 0.25mol/dm3 sulfuric acid?
HNO3 ---> H+ + NO3-
The Attempt at a Solution
can someone help me solve this and explain to me how to solve it? i'm also trying to solve it right now.>.<