Iron is biologically important in the transport of oxygen by red blood cells from the lungs to the various organs of the body. In the blood of an adult human, there are approximately 2.64 × 10 13 red blood cells with a total of 2.90 g of iron. On the average, how many iron atoms are present in each red blood cell? (molar mass Fe = 55.85 g/mol)

Lithium diisopropylamide [(ch3)2ch]2nli, referred to as lda, enjoys many uses as a strong base in synthetic organic chemistry. it is customarily prepared by the reaction of diisopropylamine [(ch3)2ch]2nh with butyllithium. draw the products of the reactions in the appropriate boxes and select the acid, base, conjugate acid, and conjugate base. be sure to answer all parts.

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

The element that has the greatest electronegativity is