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Molar mass of CuSO4= 63.5 + 32 +4 x 16=63.5 + 96= 159.5g

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249.72 g/mol

Lvl 1

This is completely wrong its 159.609 g/mol

250 or 249.612g/mol

159.6086 g/mol

249.7 g/mol

Q: What is the molar mass of CuSo4 x 5H2O?

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56,25 percent

5

Molar mass of ammonia = (14.01 + 3.03) (Molar mass of nitrogen + 3 times molar mass of hydrogen, as chemical formula of ammonia is NH3). Molar mass= 17.04 Molar mass x moles = mass 17.04 x 3 = 51.12 Mass of 3 moles of ammonia is 51.12g.

You can answer this question using a molar mass calculation for CuSO4. 63.55 g Cu + 32.06 g S + 4(16.00 g O) = 159.55 g CuSO4 In 159.55 g CuSO4, there are 63.55 g Cu. Use this as a conversion factor. 100 g CuSO4 x 63.55 g Cu = 39.8 g Cu .................... 159.55 g CuSO4

number of moles = mass/molar mass mass = number of moles x molar mass 21mol x 14gmol-1 = 294g molar mass of Nitrogen is 14, which you can find on a periodic table

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The relative formula mass of CuSO4.5H2O is worked out from the following masses:Cu = 63.55S = 32.06O x 9 = 16 x 9 = 144H x 10 = 1 x 10 = 10Adding these up, we get a relative formula mass of 249.61, often rounded up to 250. This means that one mole of CuSO4.5H2O weighs 249.61g.

Copper sulfatepentahydrate is a solid at 20 degrees Celsius has a density of 2.28g/cm3 (cubed)... and its' chemical symbol is CuSO4-5H2O

56,25 percent

First of all, it's CuSO4*5H2O (notice the capital "O" in the first part of the formula). The compound is called copper(II) sulfate pentahydrate, and if we wish to find the percent by mass of water, we need to find the molar mass of the hydrate first. Cu = 63.55 g/molS = 32.07 g/molO x 4 = 16.00 g/mol x 4 = 64.00 g/molH2O x 5 = 18.02 g/mol x 5 = 90.10 g/molNow add them all together and you get a molar mass of 249.72 g/molOf that 249.72 grams, 90.10 grams is water, so to find the percentage by mass that is water, simply divide 90.10 g by 249.72 g and multiply the result by 100%:90.10 g / 249.72 g x 100% = 36.08% water

Cu(NO3)2 x 5H2O is the chemical formula for copper II nitrate pentahydrate.

5

Molar mass of ammonia = (14.01 + 3.03) (Molar mass of nitrogen + 3 times molar mass of hydrogen, as chemical formula of ammonia is NH3). Molar mass= 17.04 Molar mass x moles = mass 17.04 x 3 = 51.12 Mass of 3 moles of ammonia is 51.12g.

You can answer this question using a molar mass calculation for CuSO4. 63.55 g Cu + 32.06 g S + 4(16.00 g O) = 159.55 g CuSO4 In 159.55 g CuSO4, there are 63.55 g Cu. Use this as a conversion factor. 100 g CuSO4 x 63.55 g Cu = 39.8 g Cu .................... 159.55 g CuSO4

The molar mass of an element is its atomic weight in grams. The molar mass of a molecule or compound is the sum of the subscripts times the molar masses in grams. For example, the molar mass of hydrogen, H, is 1.00794g and the molar mass of oxygen, O, is 15.9994g. The molar mass of water, H2O, is (2 x 1.00794g) + (1 x 15.9994g O) = 18.01528g.

number of moles = mass/molar mass mass = number of moles x molar mass 21mol x 14gmol-1 = 294g molar mass of Nitrogen is 14, which you can find on a periodic table

To determine the molar mass of a molecule, you need to determine the molar mass of each element from the periodic table, then multiply the molar mass by the subscript for the element in the formula. Do this for all of the elements in the formula and add them together to get the molar mass. The molar mass of an individual element is its atomic weight in grams. Molecular molar mass of C4H8O4 = (4 atoms C x 12.0107g/mol C) + (8 atoms H x 1.00794g/mol H) + (4 atoms O x 15.9994g/mol O) = 120.1039g/mol C4H8O4

The molar mass is the sum of atomic weight of the atoms contained in a molecule. Example: water, H2O The molar mass is: 2 x 1,008 + 15,999 = 18,015 Molar mass is used in many calculus in chemistry.