How many atoms are in 5 moles of Cadmium?

3 × 10²⁴ atoms Cd

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Step 1: Define

5 mol Cd (Cadmium)

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

Step 4: Check

Follow sig fig rules and round. We are given 1 sig fig.

3.011 × 10²⁴ atoms Cd ≈ 3 × 10²⁴ atoms Cd

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.