The Amount of Calcium Present in Milk Can Be Determined

question 81

Multiple Choice

The amount of calcium present in milk can be determined by adding oxalate to a sample and measuring the mass of calcium oxalate precipitated. What is the mass percent of calcium if 0.429 g of calcium oxalate forms in a 125-g sample of milk when excess aqueous sodium oxalate is added? Na₂C₂O₄(aq) + Ca²⁺(aq) → CaC₂O₄(s) + 2Na⁺(aq)

• A)0.107%
• B)0.202%
• C)0.343%
• D)1.10%
• E)1.37%

Comprehend the methodological requirements for making credible generalizations.

Recognize the diversity of inductive reasoning in practical examples.

Understand the definitions and differences between necessary and sufficient conditions.

Apply reasoning to identify necessary and sufficient conditions in various scenarios.

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Definitions:

Borrowed Money

Funds obtained through loans or credit from financial institutions or individuals, typically requiring repayment with interest.

Poison Pill

A defensive strategy used by companies to thwart hostile takeovers by making the company less attractive to the potential acquirer.

Shareholders

Individuals or entities that own shares in a company, making them partial owners with certain rights and responsibilities.

Target Firm

A company that is the potential object of a takeover by another entity.