Calculate the Volume of H₂(g) at 273 K and 2

question 35

Multiple Choice

Calculate the volume of H₂(g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCl solution reacts with 50.0 g Zn(s) to give hydrogen gas and aqueous zinc chloride. (R = 0.08206 L • atm/K • mol)

• A) 0.56 L
• B) 1.12 L
• C) 2.23 L
• D) 4.47 L
• E) 3.54 L

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Definitions:

Quadratic Equation

An equation of the form ax^2 + bx + c = 0, where a, b, and c are constants, and a ≠ 0.

Square Root Property

A principle that relates the square of a number to its square root, often used to solve equations.

Square Root Property

A principle that states if \(x^2 = n\), then \(x\) is equal to the positive or negative square root of \(n\).

Real Solutions

The set of numbers that are solutions to an equation and are not imaginary, meaning they can be plotted on the real number line.