What is the empirical formula of a compound that contains 50.0% carbon, 6.7% hydrogen, and 43.3% oxygen by mass?

a.

ch3o

b.

c3h5o2

c.

c2h2o5

d.

c3h205

e.

c1h3o5

What is the mass of 0.46 mol of mgcl2

Will mark brainliest how many electrons can be held in the energy level n = 4?

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j