You have an aqueous solution that contains 31.85 g Glucose (C, H,20.) in 925.00 ml of water. What is the % by mass concentration of the solution?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use