How many grams of present in 2.1x1026 atoms of cesium?

46000 g Cs

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Stoichiometry

Explanation:

Step 1: Define

2.1 × 10²⁶ atoms Cs

Step 2: Identify Conversions

Avogadro's Number

Molar Mass of Cs - 132.91 g/mol

Step 3: Convert

Step 4: Check

Follow sig fig rules and round. We are given 2 sig figs.

46348.6 g Cs ≈ 46000 g Cs

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