Post a New Question

science

posted by on .

calculate the number of molecules in 200 gm of caco3.

  • science - ,

    mol wt of CaCO3 is 100g
    so, 200g = 2 moles = 2*6.02*10^23 molecules.

  • science - ,

    reason for _______ earth is tilted 23 1/2 from a line perpendicular to its orbit, the length of daylight varies and because of the angle at which the sun's energy strikes a given location through the years

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question