How does an atom become a positively charged ion? a. by gaining one or more electrons b. by gaining one or more neutrons c. by losing one or more electrons d. by losing one or more neutrons

0.09 moles of sodium sulfate in 12 ml of solution

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.

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11