For isobutyric acid, (CH3)2CHCOOH, Ka = 1.4 x 10-5 What is the pH of an aqueous solution that is made by combining 40.0 mL of 0.095 M isobutyric acid solution with 20.0 mL of 0.12 M sodium isobutyrate
solution, (CH3)2CHCOONa?
Report only a numerical value as your answer.

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

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.

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !