The central atom in the chlorate ion would have electron domains. How many kg ar

Question

The central atom in the chlorate ion would have electron domains. How many kg are in 25.6 cg? The dimensions of a piece of aluminum are 2.5 cm Times 2.0 cm Times 1.8 cm. What is the mass of the piece of aluminum? (density of Al = 2.7 g/cm^3) The density of concentrated hydrochloric acid is 1.19 g/mL. What is the volume in liters of 300. G of it? How many atoms are in 0.089 g of aluminum? Calculate the mass in grams of 6.89 Times 10^23 atoms of silver. Calculate the number of formula units in 560 g of ammonium carbonate. Calculate the number of grams of sulfuric acid contained In 0.35 moles. Photosynthesis uses light with a frequency of 4.54 Times 10^14 Hz. What wavelength (in nanometers) does this correspond to? Sodium atoms have a characteristic yellow color when excited in a flame. The color comes from emission of light of 589.0 nm. What is the corresponding energy to this wavelength of light?

Explanation / Answer

1.Central atom of chlorate ion would have 4 electrons.

2.25.6cg=25.6/100000=0.256*10-3

3.we know that, no of atoms =weight*6.023*1023/Gram molecular weight.

6.89*1023*107.87/6.023*1023=1.14*107.87=122.9718grams.

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