3. Which solution would contain a greater number of moles of solute: 8.00 mL of the concentrated solution of K Cr2O, (aq) (stock solution from Part A) or 40.00 mL of the
diluted solution prepared (in Part B)? Show all workings. [2]

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

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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.