D. MORE PRACTICE... Molar mass (g/mol) of moles 1. Complete the table below. Substance Mass® 2....
D. MORE PRACTICE... 1. Complete the table below. Massm m # moles Substance Mass (g) Molar mass (g/mol) of moles a. Aspirin tablet C.H.O.) 0.325 b. Wooden stick | (CHO) 14.482 c. Copper wire (Cu) Show work below. 1.809 2. A substance has a mass of 90.10 grams and contains 3.02 x 10 molecules. Which of the 3 substances in the chart above is it? Explain. 0 2 3 Fird noo or mores find mm mass per ind look at...
1. Complete the table below. #of moles Substance Mass (g) Molar mass (g/mol) a. Aspirin tablet (CoH&O) b. Wooden stick (CH2O) 0.325 14.482 c. Copper wire (Cu) 1.809 Show work below. a. b. с.
Molar mass (g/mol) 180 30 63.54 #of moles 1.805 x 103 0.4827 0.0284 1. Complete the table below. Substance Mass (g) a. Aspirin tablet (C.H.O.) 0.325 b. Wooden stick 14.482 (CH-0). c. Copper wire (Cu) 1.809 Show work below. a. CqHq Oy =9x12 + 8x1 + 4 x 16 = 180 g/mol b. CH₂O = 12 x 1 + 2x1 + 16x1 = 12 + 2 + 16 =30g/mol 170 g/mol = 0.00 105 males = 1.805.810 moles 14.482 9...
If the molar mass of a substance is 44.01 g/mol, what is the mass of 1.05 x 1024 molecules of the substance? HTML Edita T. x : A 6.25 g sample of magnetite (Fe3O4) contains 4.52 g of Fe. What are the percentages of iron and oxygen in magnetite? HTML Editor Calculate the number of moles of NaHCO3(sodium bicarbonate, or baking soda) in a 5.0 g sample of this substance. A chemical reaction requires 3.50 moles of copper(II) nitrate, Cu(NO3)2....
mixed. (1) 9.110.274 moles of a substance weighs 62.5 g. what is the molar mass of the substance, in units of g/mol? (1) 228 g/mol (2) 17.1 g/mol (3) 4.38 x 10 g/mol (4) 62.8 g/mol 10. Identify the correct net ionic equation for the reaction that occurs when solutions of Ba(CIO) and KSOiare (1) Ba?"(aq) + SO2(aq) +BaSO4(s) (2) 2K (aq) + 2CIO (aq) - K(CIO)a(s) (3) Kla) ClOc(aq) - KCIO (S) (4) Bal(aq) + (aq) + SOP(q)- kBaSO4(6)...