Which example of mass has 1.2×1024 oxygen atoms?

1 mole of peroxide (h2o2)

1 mole of water (h2o)

2 moles of ammonia (nh3)

2 moles of hydrogen gas (h2)

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right