What is the molar mass, in grams, of a mole of an element equal to?

the number of electrons in the element

the atomic weight of the element

the atomic number of the element

the number of neutrons in the element

What's the most important factor in determining an elements place in the periodic table?

5 sentences about industries

What mass of ammonium sulfate ((NH4) 2SO4 132.15 g/mol) is required to produce 282 mL of a 2.50M solution of ammonium sulfate?

Circle the atom with the largest atomic radius in each group

In a classroom which comparison would a teacher most likely use when comparing a mole

Which of the following lines (of latitude or longitude) would represent by 180 longitude? South Pole Equator Prime meridian North Pole International date line

63Ni decays by a first-order process via the emission of a beta particle. The 63Ni isotope has a half-life of 100. years. How long will it take for 65% of the nickel to undergo decay?

Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? A. 2C (s) + H2 (g) →C2H2 (g); ΔG∘f=209.2 kJ/molB. N2 (g) + 3H2 (g) →2NH3 (g); ΔG∘f=-33.30 kJ/molC.

How do I find the molar mass of Copper (II) Nitrate?

Describe several main ideas in chemistry