A scientist produces zinc iodide (Znl2).
(a) Calculate the minimum mass of zinc that needs to be added to 0.500 g of iodine so that
the iodine fully reacts.
The equation for the reaction is:
Zn + I2 – ZnI
Relative atomic masses (Mr): Zn = 65 I = 127

What is the solubility of substance?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.