How many formula units of LiCl are equal to 0.648 moles? 3.90 X 10^23 formula units of LiCL
1.75 X 10^19 formula units of LiCL
2.04 x 10^-5 formula units of LICHL​

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1