The letter (d.) strong base or acid would be the most appropriate answer to the question above. An indicator is a strong base or acid. Indicators are strong base and acid because through this you can determine if a compound is acid or base with its color.
Answer: 52.5 mL
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The answer would be a tenfold increase<span>
The pH scale is calculated based on the concentration of H+ ion in the solution. The formula is using log10, so to decrease 1 unit from the scale it will be 10^1= 10 fold of increase. For 2 </span>unit, you will need 10^2= 100 fold of increase.
Answer:
At 3 mmHg and 50°C water exists as a <em><u>gas</u></em>.
NH₄Cl → NH₄⁺ + Cl⁻
NH₄⁺ (the ammonium cation)