What is the mass of 3.00x10^23 particles of water? Water has a molar mass of 18.0 g/mol.

8.97 g H₂O

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

3.00 × 10²³ particles H₂O

Step 2: Identify Conversions

Avogadro's Number

[Given] Molar Mass of H₂O - 18.0 g/mol

Step 3: Convert

Set up:                              Multiply/Divide:                                                                                              

Step 4: Check

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

8.96712 g H₂O ≈ 8.97 g H₂O

C. chemical changeshope i : )

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.