How many grams of na required to react with 75.0 gramsof cl2?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Can someone me with 3 and 4 plz. this is for masteries test.