Let us consider the reaction: CaCO3CaO + CO2(balanced)
What is the percentage yield if 30.0 grams of calcium carbonate yields 6.7 grams of carbon dioxide? How many grams of carbon dioxide can be theoretically formed?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear