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Heme is a Fe-containing complex that binds O2 to blood. Analysis of heme shows it is 9.06% Fe by mass. Calculate the molar mass of heme.
Identify element A if 3.011 × 1023 atoms of A have a mass of 59.36 g.
The atmosphere of a new planet was discovered to compose of 21% Ne, 43% Ar, and 36% H2. (i) Calculate the molar mass at the surface of the planet. (ii) Calculate the molar mass when all of the H2 has broken down
Identify the statement that best describes "molar mass"
Calculate the molar mass for each of the following halogen-containing compounds. Answers must contain at least 5 significant figures.
a) NaBrO3
b) C13H6Cl4
