Suggest two ways that chemical pollutants could be carried far from their sources

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2