This document provides calculations for preparing solutions of different concentrations from stock solutions. It gives the volumes or masses of hydrochloric acid, sodium hydroxide, sulfuric acid, and sodium carbonate needed to make 0.1N solutions of different volumes, such as 8.07 ml of HCl in 1000 ml of 0.1N solution. The document demonstrates using cross multiplication to calculate the amount needed for non-standard solution volumes.

1. Sagar Kishor savale | pharmacy
1December 9, 2015
General calculation
8.07 ml Hcl in 1000 ml 0.1N
4gm NaoH in 1000 ml 0.1N
2.7 ml H2so4 in 1000 ml 0.1N
2.5 gm Na2co3 in 500 ml 0.1N
e.g.
0.1N 8.07
1N x (Cross multiplication)
1oooml 8.07
500ml x
[Similar to 1N calculation]