8. Given that Ka of HCOOH is 1.77 x 10-4 M, Calculate the pH of a 0.2M HCOOH solution at 25°C.

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

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

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml