Which Pair(s) of Substances Would Make a Suitable Buffer Pair

question 19

Multiple Choice

Which pair(s) of substances would make a suitable buffer pair ?
I. HCl and NaCl
II. HF and NaF
III. NH₄Cl and NH₃

• A) I only
• B) II only
• C) III only
• D) I and II
• E) II and III

---

Definitions:

Mean Absolute Deviation

A statistical measure that quantifies the average absolute deviation of data points from their mean, used to gauge variability within a dataset.

Forecast Error

The difference between the actual value and the value predicted by a forecasting model.

Mean Absolute Percentage Error

A statistical measure used to calculate the accuracy of a forecasting model, expressed as a percentage of error between observed and predicted values.

Forecasts Characteristics

Features or attributes of predictions about future events, such as demand or market trends, including accuracy, reliability, and timeliness.