- Why is Switzerland abbreviated CH?

Discover Questions

Calculate the mole fraction of water in a mixture of 12g of water, 108g of acetic acid and 92g of ethyl alcohol? As per the photon concept of light ,does a ray of light have an end in space and do different rays have different ends? How to expect the range of following without graphing :
Sqrt(1-x^2)? For what values of x is (x-2)(x-3)(x-4)(x-5) < 8? How do I prove (with calculus) m=-b/(2a) (the formula for finding maxs and mins)?