If 421 × 10 ^{− 3}moles of Ca²⁺react with Excess PO₄³

question 32

Multiple Choice

If 4.21 × 10 ^{− 3}moles of Ca²⁺react with excess PO₄^{3 −} to form calcium phosphate, how many moles of the solid can form?

• A)3.04 × 10 ^{− 2} moles
• B)6.74 × 10 ^{− 3} moles
• C)1.40 × 10 ^{− 3} moles
• D)4.21 × 10 ^{− 3} moles

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Definitions:

Marginal Revenue (MR)

The incremental earnings obtained from the sale of an additional good or service unit.

Marginal Cost (MC)

The increase or decrease in the total cost that arises when the quantity produced changes by one unit.

Production Level

The quantity of goods or services produced by a business, factory, or industry over a specific period.

Marginal Revenue

The extra revenue obtained through the sale of an additional unit of a product or service.