How many atoms are there in 7.80 moles of germanium

4.70 × 10²⁴ atoms Ge

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Step 1: Define

7.80 mol Ge

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

= 4.69716 × 10²⁴ atoms Ge

Step 4: Check

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

4.69716 × 10²⁴ atoms Ge ≈ 4.70 × 10²⁴ atoms Ge

answer: they produce more slow than unicellular organisms.