Answer to Question #230581 in Chemistry for Nick

Question #230581

How many atoms does 2.0 moles of He represent

Expert's answer

According to Avogadro's number, 1 mol of any substance contains 6.022 × 10²³ particles.

Therefore, 2.0 moles of helium (He) represent 2.0 mol × 6.022 × 10²³ = 1.2 × 10²⁴ atoms.

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. A compound of P and F was analyzed as follows: Heating 0.2324 g of the compound in a 378-cm^3 contai
2. A stream flowing at 60 gal/min carries a sediment load of 2000 mg/L. What is the sediment load in ki
3. List the structural features that would indicate whether a compound is likely to be reasonably water
4. Q 2 Write name reactions for:(i) Reaction of copper sulphate with iron metal.(ii) Reaction of sodium
5. The concentration of barium hydroxide solution is 68.4 g/dm
6. Define significant figure?
7. A quality control analyst mixes 30.0 ml of 0.255M BaCl2 with excess AgNO3 causing Angel to precipita