Newest Moles Questions | Wyzant Ask An Expert

09/11/18

Molarity Written Response

Angelica made 100mL of a 3.5M salt solution. She wanted to dilute this solution to make 100mL of a 2.1M solution. She calculated that she needed 60mL of her stock solution. She added the 60mL to... more

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Moles

08/09/18

when you have an equation and you are doing moles.. do you add the number infront of the compund(balancing) for the rmm

i just got confused when you are doing a calculation and there is the balancing do you multiply the coumpound ram by the number?

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Moles

05/06/18

Calculating mole fraction in a gas mixture

A 6.00 L tank at 9.9 C is filled with 8.35 g of carbon monoxide gas and 13.0 g of sulfur hexafluoride gas. You can assume both gasses behave as ideal gasses under these conditions. Calculate the... more

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Moles

05/06/18

Calculating mole fraction in a gas mixture

A 8.00 L tank at 28.5 C is filled with 19.2 g of carbon dioxide gas and 8.08 g of carbon monoxide gas. You can assume both gasses behave as ideal gasses under these conditions. Calculate the mole... more

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Moles

05/05/18

Calculating mole fraction in a gas mixture

a 6.00 L tank at -28C is filled with 5.35 g of sulfur hexafluoride gas and 2.54g of sulfur tetrafluoride gas. You can assume both gasses behave as ideal gasses under these conditions. Calculate the... more

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Moles

05/03/18

What is the volume of 2.3 mol sample of Fluorine at STP?

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Moles

04/25/18

An aqueous solution of glucose is prepared by dissolving solid glucose in pure water at 300 K...Find Molarity.

An aqueous solution of glucose is prepared by dissolving solid glucose in pure water at 300 K. Through this solution, 20 L of dry nitrogen gas is passed at 1.0 atm and 300 K. As a result, the... more

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Moles

04/24/18

how many mL of a 0.350 M LiOH solution contains 0.0171moles of LiOH

how do you get started, with what formula?

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Moles

03/07/18

What is the formula for Barium oxide?

Formula for Barium oxide?

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Moles

03/06/18

Do moles change with volume?

Does increasing or decreasing volume change the moles in a solution, or does that just affect the concentration? If I have 0.035711 moles in 100mL and I'm asked how many moles in 5mL of this... more

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Moles

02/28/18

How many moles of molecules are in 1 million molecules of Potassium cyanide?

i need help

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Moles

12/18/17

Write a balance chemical reaction for this and explain why this words using the solubility tables

Vinegar (C2H4O2) is added to kettle to remove lime (CaCo3) bulid up

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Moles

12/06/17

Can someone help me with Mole Conversion?

I'm struggling to understand on how to do this, I'm currently trying to use dimensional analysis to solve the problems, please help. 1. What is the mass of 12.5 moles of silicon? 2. How... more

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Moles

11/28/17

Empirical & Molecular formulas of compounds

Cannizzaro determined that a certain compound of carbon and oxygen had a molecular mass of 44.0 u. This meant that a certain volume of this gaseous compound weighed 44.0 times as much as the same... more

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Moles

11/20/17

Determine the number of chromium atoms in 46.2 gram of chromium oxide

Formula is Cr2O3

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Moles

11/14/17

determine the mass of each sample

1.16 mmol carbon disulfide

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Moles

11/14/17

determine the mass of the sample

1.48 mol carbon tetrafluoride

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Moles

11/12/17

how many moles of oxygen are in 6.23 moles of Cr(C2H3O2)3?

please show your work so i can understand.

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Moles

11/12/17

moles chemistry question

How many moles of gold atoms do 4.50x10^24 gold atoms constitute?

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Moles

11/10/17

Solving mole calculations with equations

Magnesium and hydrochloric acid react to form magnesium chloride and hydrogen gas. Calculate the volume of H2 (g) produced at rtp when 4.8g Mg reacts with HCl. (Mg=24)

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Moles

11/08/17

One of the reaction involved in formation of rust on your car involves iron solid reaction with water and oxygen to form iron (111) hydroxide

a how many iron atoms reacted b how much iron (111) hydroxide could be formed 45 g sample of iron was used

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Moles

11/08/17

Stoichimetry

iron, water and oxygen reacts to make iron lll hydroxide a) how many iron atoms reacted b) how much iron lll hydroxide could be formed (grams)

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Moles

11/08/17

How many iron atoms reacted in iron (111) hydroxide

45 g sample of iron was used

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Moles

10/21/17

A) How many atoms of carbon are contained in 2.13 ×10−5g of carbon?; B) Deduce the empirical and molecular formula.

A chlorinated hydrocarbon compound was analysed and found to consist of 24.24 % of carbon, 4.04 % of hydrogen and 71.72 % of chlorine. From another experiment the molecular mass of the same... more

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Moles

10/19/17

when 0.001 mole of a chloride was added to water the solution required 40cm3 of 0.05M silver nitrate (AgNO3) for complete reaction. the original chloride is?

These are the possible answers: A) NaCl B)SOCl2 C)PCl3 D)SnCl4

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Moles

Molarity Written Response

when you have an equation and you are doing moles.. do you add the number infront of the compund(balancing) for the rmm

Calculating mole fraction in a gas mixture

Calculating mole fraction in a gas mixture

Calculating mole fraction in a gas mixture

What is the volume of 2.3 mol sample of Fluorine at STP?

An aqueous solution of glucose is prepared by dissolving solid glucose in pure water at 300 K...Find Molarity.

how many mL of a 0.350 M LiOH solution contains 0.0171moles of LiOH

What is the formula for Barium oxide?

Do moles change with volume?

How many moles of molecules are in 1 million molecules of Potassium cyanide?

Write a balance chemical reaction for this and explain why this words using the solubility tables

Can someone help me with Mole Conversion?

Empirical & Molecular formulas of compounds

Determine the number of chromium atoms in 46.2 gram of chromium oxide

determine the mass of each sample

determine the mass of the sample

how many moles of oxygen are in 6.23 moles of Cr(C2H3O2)3?

moles chemistry question

Solving mole calculations with equations

One of the reaction involved in formation of rust on your car involves iron solid reaction with water and oxygen to form iron (111) hydroxide

Stoichimetry

How many iron atoms reacted in iron (111) hydroxide

A) How many atoms of carbon are contained in 2.13 ×10−5g of carbon?; B) Deduce the empirical and molecular formula.

when 0.001 mole of a chloride was added to water the solution required 40cm3 of 0.05M silver nitrate (AgNO3) for complete reaction. the original chloride is?

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RELATED QUESTIONS TO:

Molarity Written Response

when you have an equation and you are doing moles.. do you add the number infront of the compund(balancing) for the rmm

Calculating mole fraction in a gas mixture

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