You added 4.5 moles of NaCl to water to create a solution with a concentration of 8.5 M. What is the volume of the solution created in mL? ( Round your answer to 2 decimal places)

Calculate the number of moles of ethane in 100 grams

What is the independent variable in this investigation? mass volume sample number substance density

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.