What is the oxidation number of chromium in the chromate ion, CrO42-

Number of particles in 1 mol of a substance

A 0.45-g sample of aspirin is decomposed into its constituent elements and found to contain 0.27 g C, 0.020 g H, and 0.16 g O. Calculate the mass percent composition of C, H, and O in aspirin.

What is a common property of metals

A 0.500-L sample of H₂SO₄ solution was analyzed by taking a 100.0mL aliquot and adding mL of. After the reaction occurred, an excess of ions remained in the solution. The excess base required mL of for neutralization.

Compound Formula: C₆H₁₂O₆ what is the gram formula weight

Which resonance forms of silicon dioxide contribute the most to the actual bonding?

Magnesium has an atomic number of 12. To which atom would a magnesium atom transfer its valence electrons? A - HE B/C C - S D-B

Energy leaves the sun as light from a region called the?

How many moles of co2 are produced when 10 mol of propane (c3h8) is burned in excess oxygen?

Why are the spheres representing nitrogen and oxygen different colors