Isopropyl alcohol is mixed with water to produce a 38.0% (v/v) alcohol solution. how many milliliters of each component are present in 885 ml of this solution? (assume that volumes are additive.)

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.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

What are the two major rules associated with polarity