A student is running an experiment in which 28.5 grams of Na2CrO4 is needed, but the only jar of reagent in the lab is labelled sodium chromate decahydrate. How many grams of the hydrate must the student weigh out in order to get the desired amount of the anhydrous compound?

Q: What is the molar mass of glucose, C6H12O6?

A: Molar mass is the mass of 1 mole of any substance. It’s unit is g/mol. It can be obtained by adding…

Q: What mass of NaHCO3 reacts in order to produce 450 grams of na3pO4

A: Given, Mass of Na3PO4 produced = 450 g

Q: 18. What is the percentage by mass of carbon in the insecticide Lindane, C6H6C16? * 24.7 % 1.00 %…

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Q: How many grams of Fe can be produced when 10.0g of Al is reacted with 10.0g of Fe2O3?

A: 2Al + Fe2O3 ------------> 2Fe  + Al2O3 This is required Balanced chemical equation.

Q: A crystal of the mineral pharmacosiderite, Fe3(AsO4)2(OH)3•5H2O, contains what percent of  oxygen by…

A: The molecular formula of the crystal pharmacosiderite is = Fe3(AsO4)2(OH)3•5H2O One molecule of the…

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A: Mass of silver sulfadiazine = 25 g Molar mass of silver sulfadiazine = 357.14 g/mol Moles of silver…

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A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: What mass of NaHCO3 reacts in order to produce 450. g of Na3PO4?

A: Balanced chemical reaction is given by:3NaHCO3 + H3PO4 = Na3PO4 + 3H2O + 3CO2

Q: Which of the following setups would you use to obtain the number of O atoms in 86.8g of Cr(NO3)3?

A:

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A: The unbalanced chemical equation for the reaction of acetylene with air is shown in equation (1).

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A: Given the balanced reaction, CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) mass of methane = 10. g

Q: What is the Molecular Weight (Molar Mass) of Nutra-Sweet: C,H18N2O5?

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Q: If you use 10.0g of CuSO4 and excess NH3, what is the theoretical yield of Cu(NH3)4SO4?

A: Copper sulphate reacts with excess of ammonia to form a compound CuNH34SO4. Mass of CuSO4 is 10 g.

Q: How many metal atoms are present in the compound represented as Al203? O 1 O 2 O 3 O 5

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Q: The combustion of solid glucose (CH12O6) CSH12 O6 (s) 1

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A: The solution of above question is-

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A: Combustion of pentane is occurring.

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Q: What is the mass percentage of C in caffeine, C₈H₁₀N₄O₂? Provide an answer to two decimal places.

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Q: How much C2H4N2 could be expected from the reaction of  14.7 g CO2, 2.27 g NH3,  and 1.67 g CH4?

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Q: What is the mass percentage of C in caffeine, C₈H₁₀N₄O₂?

A: The concentration of an element in a compound or mixture is represented using mass percent. The mass…

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Q: A mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate.…

A:

Q: A mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate.…

A: Given : weight of SiO2 = 1.05 g Weight of cellulose = 0.69 g Weight of calcium carbonate = 1.82 g

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Q: What is the product of the following reaction? OH 1300 NO2 (a) (b) (c) (d) no reaction occurs NO2…

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Q: If 75.0 kg of hydrazine are reacted with 75.0 kg of oxygen, which is the limiting reagent?

A: Hydrazine is represented as N2H4. Limiting reagent is the reactant species which determines the…