Can I please have some help with this? Find the molar concentration (10^-6mol/l)
ml of stock solution :
solutiom 1 = 10.0ml Transmittance = 10% Absorbance = 0.98
2. 8.0ml Transmittance = 19% Absorbance = 0.70

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

What is the mass of phosphorous in a 51-kg person

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.