The molecular weight of calcium carbonate, \text{CaCO}_3CaCO 3 start text, C, a, C, O, end text, start subscript, 3, end subscript, is 100.09\,\dfrac{\text g}{\text{mol}}100.09 mol g 100, point, 09, start fraction, start text, g, end text, divided by, start text, m, o, l, end text, end fraction. How many moles of calcium carbonate are in 63.8\,\text g63.8g63, point, 8, start text, g, end text of calcium carbonate?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o