to help create food establishment.
mass of 1 mole of N is 14g
so mass of 3.45 mole is
3.45 × 14 = 48.3 g
DNA is the molecule that carries the genetic code. These are found in the nucleus of cells. They copy themselves during replication when a cell divides and splits.
2.5 i believe i'll keep you updated i'm still trying to check my answers
PH stands for "Potential Hydrogen" and the PH scale ranges from 0-14. PH refers to the ability to attract hydrogen ions.
The PH of a solution either indicates acidity of the solution or alkalinity of the solution. A solution which has PH 7 above is a base solution where a solution with PH less than 7 is an acidic solution.