Consider the Following Equation; Zn (S)+ 2 HCl (Aq) $\rightarrow$ ZnCl₂ (Aq)+ H₂ (G)
If 0

question 9

Multiple Choice

Consider the following equation; Zn (s) + 2 HCl (aq) $\rightarrow$ ZnCl₂ (aq) + H₂ (g)
If 0.50 moles of zinc metal completely react with hydrochloric acid,how many moles of hydrogen gas will be made?

• A) 0.50 moles
• B) 1.0 moles
• C) 0.25 moles
• D) 1.5 moles

---

Definitions:

Mound-Shaped Distribution

A data distribution that is symmetric and bell-shaped, often resembling the normal distribution but not necessarily having its mathematical properties.

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are from the mean.

Tchebysheff's Theorem

A statistical rule stating that for any dataset, regardless of distribution, a certain minimum percentage of values must lie within a specified number of standard deviations from the mean.

Population Mean

A calculation of the central value among all data points in a population.