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The formula for iron (II) sulfate is FeSO4.H2O, and its gram formula unit mass is 169.92. Therefore, 3.52 formula units of this compound have a mass of 598 grams, to the justified number of significant digits.
The gram formula mass is 158.3
342
The gram formula unit mass of copper (II) sulfate pentahydrate is 249.68. The gram formula unit mass of water is 18.015. Therefore, the mass of water of crystallization present in 50.0 g of copper (II) sulfate pentahydrate is: 50[5(18.015)/249.68] or 18.0 g, to the justified number of significant digits. (Note that the prefix penta- means five)
23g
342
The gram formula mass of anhydrous sodium sulfate is 142.04. Therefore, 43 gram formula units* of it has a mass of 43(142.04)6.1 X 103 grams, to the justified number of significant digits. _____________________________ For ionic compounds such as sodium sulfate, the term "formula unit" is preferred to "mole".
The formula for iron (II) sulfate is FeSO4.H2O, and its gram formula unit mass is 169.92. Therefore, 3.52 formula units of this compound have a mass of 598 grams, to the justified number of significant digits.
The gram formula mass is 158.3
342
Polymyxin-b sulfate is an antibiotic that is primarily used for resistant Gram-negative infection.
The formula of sodium fluoride is NaF; its gram formula mass is 41.9882.
The gram formula unit mass of copper (II) sulfate pentahydrate is 249.68. The gram formula unit mass of water is 18.015. Therefore, the mass of water of crystallization present in 50.0 g of copper (II) sulfate pentahydrate is: 50[5(18.015)/249.68] or 18.0 g, to the justified number of significant digits. (Note that the prefix penta- means five)
its Gram Formula Mass
111g
23g
A gram is used to measure weight and a km to measure distance. As they measure different things, there is no formula to convert between them.