PLX HELP ASAP How many grams of ethanol, C2H6O, are needed to prepare a 0.100 molal solution using 2.20 kg water?
A) 18.3 g
B) 10.1 g
C) 9.5 g
D) 20.6 g

Calculate the number of molecules present in 0.750 mol of mgo.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light