Question

17.) You have 100g/1L stock toluene. How much of this stock toluene (in micro liters) is needed to create 30mL samples (toluene in water) at the following concentrations?

.020g/L

.040g/L

.060g/L

.080g/L

.100g/L

thank you thank you!!!!

Answer 1

To caculate stock of 100 g/L solution required to make 30 ml of diffrent concentration solution use the formula C₁V₁ = C₂V₂

All calculation and formula given in following image