If you have 9 mol of glycerol (C3H8O3). How many oxygen atoms do you have?
If you have 9 mol of glycerol (C3H8O3). How many oxygen atoms do you have?
An aqueous solution of glycerol, C3H8O3 is prepared by adding 150.0 g of glycerol to 200.0 g of water. What is the mole fraction of glycerol in the final solution? a. 0.571 b. 0.429 c. 0.750 d. 0.872 e. 0.128 NB: the answer is e but how do I do the working out?
41. Suppose you have half a mole of sulfur atoms. How many sulfur atoms do you have? 42. How many micrograms of zinc carbonate are there in 52.0 x 10-5 moles? 43. When 90 grams of water is evaporated, how many atoms of hydrogen was lost? 44. How many picoliters of water are in 3.32 mol of water? 45. How many centiliters of sulfuric acid are in 32.9 x 10-23 molecules of acid? The density of sulfuric acid Page 6...
How many moles of oxygen atoms are contained in 1.25 mol of H3PO4?
How many oxygen atoms are in 9 Na2SO4 ∙ 10H2O complexes?
2) (4pts) Answer the following questions about sodium phosphate (NasPO.) How many oxygen atoms are in one molecule of sodium phosphate? many oxygen atoms do you have? If you have one dozen molecules of sodium phosphate, how many oxygen atoms do you h If you have one mole of sodium phosphate molecules, how many oxygen atoms do you have? (16 pts) Perform the following conversions: 3) a) 2.89 × 103 helium atoms into moles of helium atoms: b) 0.500 moles...
Chemton Question 16 of 16 How many moles of calcium atoms do you have if you have 5.15 x 1021 atoms of calcium. (The mass of one mole of calcium is 40.08 g.) mol c +/ 0 x 100
If you have 25,970 palladium atoms, how many moles do you have?
How many oxygen atoms are there in 95g of barium chromate? How many oxygen atoms are there in 95 g of barium chromate? Calculate the percent composition of oxygen by mass in
218 g of (NH4)2CO3 is present. how many oxygen atoms are present? how many hydrogen atoms are present? how many total atoms are present?
1) How many oxygen atoms are there in 296.0 g of Cr(PO4)2 2) ? a) b) 7. How many Oxygen atoms are there in 29 gen atoms are there in 296.0 g of Cr(PO4)2 ? show work (6 pts) consider the following balanced chemical equation when answering the following questions: 2 Cs3PO3 + 3 BaBr2 ------ ----→ 6 CsBr + Ba3(PO3)2 a) How many mols of CsBr should be produced if 8.68 g of BaBr2 are used in the reaction?...