A Solution of a Nonelectrolyte Solution Contains 30

question 43

Multiple Choice

A solution of a nonelectrolyte solution contains 30.0 g of solute dissolved in 250.0g of water.The freezing point of the water is observed to be -2.50˚C.The K_f for water is 1.86 ˚C/m and normal freezing point of water is 0.00˚C.What is the molar mass of the substance?

• A)335 g/mol
• B)89.5 g/mol
• C)895 g/mol
• D)33.5 g/mol

Understand the impact of operating costs on the total cost of ownership of a product.

Evaluate the useful life of products in terms of service hours and how it affects pricing.

Assess preventive maintenance costs and their impact on overall product value and pricing.

Understand the concept and significance of value-added and non-value-added time within the manufacturing process.

---

Definitions:

Confidence Interval

A statistical range, with a certain probability, that is believed to contain the true value of an unknown parameter.

Random Variable

A variable whose values depend on the outcomes of a random phenomenon.

Sample Proportion

The ratio of members in a sample that have a particular characteristic to the total number of members in that sample, often used in statistics to estimate population proportions.

Confidence Coefficient

A value, typically close to 1, that specifies the likelihood that a confidence interval will contain the true population parameter.