What Is the Mass of 6

question 80

Multiple Choice

What is the mass of 6.78 × 10²⁴ molecules of SO₂? The molar mass of SO₂ is 64.06 g/mol.

• A) 205 g
• B) 294 g
• C) 721 g
• D) 341 g
• E) 685 g

---

Definitions:

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, matching pairs, or repeated measurements on a single sample to assess whether the population mean ranks differ.

Null Hypothesis

A default hypothesis that there is no effect or no difference, and it's the assumption to be tested in statistical analysis.

Triglyceride Levels

A measure of the amount of triglycerides (a type of fat) present in your blood, which can indicate heart health and risk for certain diseases.

Expected Value

The predicted value of a variable, calculated as the sum of all possible values each multiplied by the probability of its occurrence.