If I have 600 g of sugar in 1200 ml of water, what is the concentration of the sugar in the water in g/100 ml?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.