Calculate the Concentration of Chromate Ion (CrO₄^2-)in a 0

question 74

Multiple Choice

Calculate the concentration of chromate ion (CrO₄^2-) in a 0.450 M solution of chromic acid (H₂CrO₄) .[For chromic acid, K_a1 = 0.18, K_a2 = 3.2 × 10^-7.]

• A)3.2 × 10^-7 M
• B)1.5 × 10^-6 M
• C)0.081 M
• D)1.1 × 10^-6 M
• E)0.21 M

---

Definitions:

Client-side

Refers to operations that are performed by the client in a client-server relationship, commonly in web development, affecting the user’s experience directly within their browser.

Scripting Language

A simple programming language that’s limited to performing a set of specialized tasks.

HTML

Hypertext Markup Language, the standard language for documents designed to be displayed in a web browser.

Applet

A small application designed to run within a larger program or web browser, often requiring minimal resources.