How many ions of potassium are in 2.4 moles of k3n?

how many moles are in 45 grams of bef2?

how many grams in .83 moles of li2o?

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Which best explains why an iceberg floats?

Particles vibrate in a rigid structure and do not move relative to their neighbors.