How many moles of ca(no32 are in 400 ml of a 0.80 m calcium nitrate solution?

Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?

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

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest