QIII. (A) Use the acid-base concept, consider the pH of the following items and drag and drop into text the correct answer : 7. Arrange the pH values in order of most acidic to most basic.

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8. Which item has high [OH-]? blank

9. Which item is neutral? blank

Choose from below:

Battery acid (pH = 1.1)

Sea Water has high [OH‑]

Milk (pH= 6.0)

Tap water

Baking soda (pH= 9)

Household Ammonia has high [OH‑]

Household Ammonia (pH=11)

Lemon juice has high [OH‑]

Distilled water

Ocean water Black Coffee (pH= 5)

Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1