How many atoms are in 2.85x10^3

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

Find the number of moles of argon in 364g of argon.

In a 28 g serving of cheese curls there are 247mg of sodium. how much sodium is in a 12.5 ounce bag