1.25 x 10^12 molecules H2SO4 to moles

2.08 × 10⁻¹² mol H₂SO₄

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Chemistry

Atomic Structure

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

Using Dimensional AnalysisExplanation:

Step 1: Define

1.25 × 10¹² molecules H₂SO₄

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

Set up:                              Multiply/Divide:                                                                                              

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

2.07572 × 10⁻¹² mol H₂SO₄ ≈ 2.08 × 10⁻¹² mol H₂SO₄

Hno3(aq) → h+(aq) + no3−(aq). picture ii best represents the strong acid hno3. strong acids are strong electrolytes