A solution was prepared by diluting 50.00 mL to 250. mL of 0.477M KOH. What was the concentration of the original solution?

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?