What will the mass on the scale say after the chemical reaction has taken place? A) 15 g
B) 30 g
C) 10 g
D) 5 g

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?