Answer:
Your answer is :- C [OH-] = 10 x 10-7 mol dm-3
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Pressure is affected by gravity,height, and density since pressure = density×height×gravity .
Answer:
Molality measure C. Concentration
Explanation:
Molality is used to measure concentration of solute molecule present in a solution.Molality represent the presence of total number of solute molecules in a kilgram of solvent.
For exam if 6 moles of a solute is present in 1 kg of solvent then the concentration of that solute molecule will be 6 molal.The SI unit of molality is mole/kg or milimole/gram.