How many molecules are in 4 moles of H20? A. 2.408 x 10^24 B. 2.408 x 10^23
C. 6.02 x 10^24
D. 7.224 x 10^24​

A. 2.408 × 10²⁴

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Chemistry

Atomic Structure

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

Stoichiometry

Using Dimensional AnalysisExplanation:

Step 1: Define

[Given] 4 moles H₂O

[Solve] molecules H₂O

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

[DA] Set up:                                                                                                       [DA] Multiply [Cancel out units]:                                                                    

Hcn is your answer my guy : )