posted by .

Hey guys, been a long time since I have done this. Please show your work. Thanks a lot!

How many grams do 3.6 × 10^20 atoms of sodium weigh?
Answer in units of g

  • Chemistry -

    The molar mass of Na is approximately 23. You can look up the exact number.
    23.0 grams Na will contain 6.022 x 10^23 atoms Na. So
    3.6 x 10^20 atoms Na x (1 mole Na/6.02 x 10^23 Na atoms) x (23 g Na/1 mole Na) = ??

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    Posted by Angeline on Monday, April 20, 2009 at 5:35pm. A few many grams are in 48.7x10^24?
  2. English

    Can you please check if the following sentences are possible?
  3. English

    Can you please check if these sentences are grammatically correct,please?
  4. Chemistry

    Hey, been trying to work through this but no luck so far: The heat of formation of nitrogen atoms N(g) is 472.7KJ/mol. Is that enough information to determine the N-N bond energy in N2(g)?
  5. Chemistry

    How many grams do 5.2×10^20 atoms of silicon weigh?
  6. English

    Could you please check these sentences? 1) I haven’t been here for long. How long have you been married?
  7. Chemistry

    How many grams do 5.8×10 24 atoms of argon weigh?
  8. chemistry

    How many grams do 6.2×1024 atoms of argon weigh?
  9. History (1900’s)

    Hey peeps can you guys pretty please give me a list of the challenges of immigration in the 1900's?
  10. Math

    The total weight of the shape blocks on both sides of Kim's pan balance equals 30 grams. Circles weigh 5 grams, squares weigh 10 grams, and triangles weigh 3 grams. The right side has circle and square. How many triangles are on the …

More Similar Questions