Item 16: Question Calculate the moles of oxalic acid dihydrate, H₂C₂04 2H₂O (fw, 126.07), needed to react with 10.00 mL of 0.02731 M ceric sulfate, Ce(SO4)2, given the reaction H₂C₂04 + 2Ce4+2CO₂ + 2Ce³+ + 2H+ 0.1366 moles 5.462 x 10-4 moles O 2.731 x 104 moles 1.366 x 104 moles

Q: is the mole ratio be

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Q: 6. What is the percent by mass of nitrogen in ammonium carbonate? a. 14.53% b. 27.83% c. 29.16% d.…

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Q: a 22.5 grams sample of ammonium carbonate contains_____________moles of ammonium ions.

A: Conversion of mass to moles of ammonium carbonate:

Q: how many grams are in 0.456 mole P

A: P is a symbol of phosphorus element.

Q: A 32.87 gram sample of X contains how many moles? (Assume that the molar mass of X is 54.05 grams…

A: This question is based on calculation of moles.

Q: .370 mol of octane is allowed to react with .780 mol of oxygen . After the reaction how many moles…

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Q: what is the average mass of one atom of aluminum?

A: One mole of aluminium contains Avogadro’s number of atom. That is, 6.02*1023 atoms.

Q: how many grams of hydrogen gas reacted to form 0.34 mol of ammonia

A: Consider the balanced equation for the formation of ammonia is as follows; N2 + 3 H2 → 2 NH3

Q: How many moles equate to 128 g of CO2? A. 2.91mol B. 15.6mol C. 5.82mol D. 24.6mol

A: Given : Mass of CO2 = 128 g

Q: Write the mole-to-mole ratio for iron (III) oxide and iron metal (Use a table)

A: A general molecular reaction for the synthesis of Fe2O3 (s) take place as follows; Fe(s)  +  O2 (g)…

Q: Design a flowchart that could be used tohelp convert particles to moles or moles to particles.

A: A flowchart that could be used to help convert particles to moles or moles to particles is given…

Q: 1. Convert 61.51 a of He to moles of He

A: Number of moles = mass/molar mass    Since you have posted multiple questions, we are entitled to…

Q: Reaction B: Sodium Carbonate and Hydrochloric Acid Experimental Data 51.368 g (a) Mass of…

A: Given that,  Mass of sodium carbonate used = 0.309 g Molar mass of sodium carbonate = 105.99 g/mol…

Q: Determine the molar mass of SO2.  Report your answer to 2 decimals places

A: Using concept of calculation of molecular mass with the help of molecular formula.

Q: 1.00 g of benzoic acid corresponds to how many mmols of this compound?

A: Given that, 1.00 g of benzoic acid. We have to calculate the corresponds amount of benzoic acid in…

Q: Convert 12.0g O3 to moles

A: We have to convert 12.0g O3 to moles. Mass of O3 (ozone)= 12 g Molar mass of ozone(O3) = (3×16)g/mol

Q: What is the mole ratio of all the substances represented in this figure?

A: A mole ratio can be described as ​the ratio between the amounts in moles of the any two compounds…

Q: 9.to convert from moles of A to grams of A you use the ___________ a.Molar Mass b.Mass Ratio c.Mole…

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Q: Convert the 123 g of CaF2 to moles.

A: Given information is as follows: The mass of CaF2 = 123 g The moles of a substance can be calculated…

Q: 4.0 g of oxygen contains   A. 0.025 molar masses   B. 4.0 molar masses of oxygen   C. .02 x…

A: Here there is Oxygen atom so atomic mass is 16 g mol-1.

Q: how many moles of Kr are contained in 398 mg Kr?

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Q: In one experiment, a student used 0.21 g of aluminum and excess hydrochloric acid. a. Calculate the…

A: Given that 0.21 g aluminium react with excess hydrochloric acid.

Q: How do you determine what n is? I know it is number of moles but how do you find that specifically?

A: Redox reactions are the ones in which both oxidation, as well as reduction, takes place at same…

Q: 3. Convert 0.36 moles Ba to g of Ba

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Q: Aluminum metal and hydrogen chloride react to form aluminum chloride and hydrogen gas. Please…

A: Reaction between Aluminium metal and HCl

Q: how many moles of HCI are in a sample of HCI with a mass of 126 g?

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Q: The ______________ is a collective unit that represents Avogadro’s number of particles.

A: we have to complete the given sentence using the appropriate term

Q: In the experiment, why is it necessary to determine the mass of the empty flask?

A: We use flask to store certain material in it for weighing the material as we can not measure the…

Q: A sample of I2 has a mass of 154g.How mant moles are in the sample of I2

A: Given, mass of I2 = 154 gMoles of I2 can be calculated as:

Q: How many moles are there in 1.806 x 1024 molecules of water? number.

A: Number of molecules of water =1.806 X 1024We need to calculate the moles of water.

Q: The

A: We have to fill the blanks

Q: What would you multiply "moles of helium" by to get the units "grams of helium"? moles He x (number)…

A: Simply use the mole relation for the conversion of moles into mass.