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Stoichiometry

11/20/17

Assuming the tablet is pure magnesium hydroxide what percentage of tablet is oxygen?

A tablet of TUMS with a mass of 1.2 gram contains magnesium hydroxide(soild).

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Stoichiometry

11/07/17

5 moles of magnesium combine with excess chlorine gas to make magnesium chloride. How many moles of magnesium chloride are formed?

how would you set up and solve ? I’m still having trouble with stoichiometry! Any tips to help me later ?

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Stoichiometry Chemistry

11/06/17

how many grams of zncl2 will be produced from 22.0 g of Zn and 14.0 g of HCL

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Stoichiometry

11/02/17

stoichiometry

What mass of water can be formed by igniting 27.5 g of hydrogen gas and 175 g of oxygen gas?

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Stoichiometry Chemistry

10/31/17

Proportions with moles

I have a proportion that for every 1 mol of Aluminum, I get 1.5 mol Copper. How much aluminum will I need if I have 127,226,463.1 grams of copper?

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Stoichiometry

10/18/17

Determine the number of atoms in 1.75 mol Al

Help me please :)

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Stoichiometry

10/18/17

Determine the number of atoms in 1.75 mol Al

I want answerrrrrrr.

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Stoichiometry

10/12/17

What is the mass of carbon contained in 37.1 g of caffeine?

Caffeine, a stimulant in coffee and some cola drinks, is 49.47% carbon, 5.19% H, 28.8% N, and 16.48% O. What is the mass of carbon contained in 37.1 g of caffeine?

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Stoichiometry Chemistry Physical Science

10/09/17

What volume of carbon dioxide, measured at room temperature and pressure, would be obtained by the reduction of 320g of iron(III)oxide?

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Stoichiometry

10/08/17

What volume of 0.150 M H2SO4 would be required to completely neutralize a mixture of 20.0 ml of 0.200 M NaOH and 40.0 mL of 0.0500 M Ca(OH)2

I get confused as to how to set up these type of equations. Any assistance would be greatly appreciated.

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Stoichiometry

08/14/17

What three conversion factors and in what order would you use them to convert the mass of a compound into atoms of a articular element in that compound-- for e

What three conversion factors and in what order would you use them to convert the mass of a compound into atoms of a articular element in that compound-- for example, from 1.00 g aspirin (C9H8O4)... more

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Stoichiometry

08/14/17

Using the balanced equation 6SO2+6O2=6SO3+3O2 if 96.0 g of SO2 reacts with 32.0 g O2 what mass of the product will form?

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Stoichiometry Chemistry

08/12/17

KOH with a mass of 50.0 grams is neutralized by 20.0 g of sulfuric acid. The products are potassium sulfate and water

I need to know what formula to use and how to calculate the moles of potassium sulfate produced and the grams of water produced

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Stoichiometry

06/20/17

74grams of H2 gas and an excess of O2 gas reacts to form H2O according to the reaction below. What mass of H2O is produced? 2 H2(g) + O2(g) > 2 H2O(g)

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Stoichiometry

06/15/17

mole to mole/mass to mass

20 moles of Pb(NO302 will produce blank moles of PbCrO4. If you start with 5.5 grams of lead nitrate, how many grams of potassium nitrate will be produced.

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Stoichiometry Chemistry Product

06/01/17

What are the products of this reaction? ( Show Work + Explain )

KCl + PbThe product would be There would be no reactionI am pretty sure, but can you explain why please?

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Stoichiometry Chemistry Element

06/01/17

What are the products of this reaction? ( Show Work + Explain )

Al2O3 The product would be Al + O2 I am pretty sure, but can you explain why please?

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Stoichiometry Chemistry Grams

06/01/17

If 107.00 g of Na3P react how many grams of NaF would be produced? (Show Work Please)

If 107.00 g of Na3P react how many grams of NaF would be produced? Formula 2Na3P + 3CaF2 = 6NaF + Ca3P2 (already balanced)

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Stoichiometry Chemistry Elements Grams

05/31/17

Use the following equation to answer the following questions. (Show Work Please)

Equation: 2 Mg + CO2 = 2 MgO + C (already balanced) 71.66 g of Mg react with 91.25g of CO2. What is the limiting reagent in the reaction? What is the theoretical yield of MgO? Express your... more

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Stoichiometry Chemistry Moles Grams

05/31/17

A 15.00 g sample of calcium carbonate was placed in excess hydrochloric acid (HCl). A reaction occurred producing calcium chloride, water, and carbon dioxide.

Formula: CaCO3 + 2HCl = CaCl2 + H2O + CO2 (already balanced) How many moles of CaCO3 reacted? Theoretically, how many grams water should be produced? Answer both questions, show work... more

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Stoichiometry Chemistry Grams

05/31/17

If 107.00 g of Na3P react how many grams of NaF would be produced? (Show Work Please)

If 107.00 g of Na3P react how many grams of NaF would be produced? Formula 2Na3P + 3CaF2 = 6NaF + Ca3P2 (already balanced)

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Stoichiometry Chemistry

05/19/17

Three moles of nitric acid molecules are dissolved in 1.5 L of solution. The solution has a molarity of...

Idk what Molarity is someone explain it to me Please haha

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Stoichiometry

05/18/17

Oxygen reacts with 22g of C5H10 producing CO2 and water. What will the volume of CO2 produced at STP?

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Stoichiometry Moles Excess

05/10/17

2S+3O2=2SO3 is the equation... what mass of molecular oxygen when reacted with excess sulfur will produce 646.97 grams of SO2?

The numbers in the equation are subscripts *in front of compound are coefficients to balance the equation please show your work, so i can see how you did it(:

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Stoichiometry

04/04/17

When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 7.2g Ag and 8.0g

Chemistry

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Answers •2

Assuming the tablet is pure magnesium hydroxide what percentage of tablet is oxygen?

5 moles of magnesium combine with excess chlorine gas to make magnesium chloride. How many moles of magnesium chloride are formed?

how many grams of zncl2 will be produced from 22.0 g of Zn and 14.0 g of HCL

stoichiometry

Proportions with moles

Determine the number of atoms in 1.75 mol Al

Determine the number of atoms in 1.75 mol Al

What is the mass of carbon contained in 37.1 g of caffeine?

What volume of carbon dioxide, measured at room temperature and pressure, would be obtained by the reduction of 320g of iron(III)oxide?

What volume of 0.150 M H2SO4 would be required to completely neutralize a mixture of 20.0 ml of 0.200 M NaOH and 40.0 mL of 0.0500 M Ca(OH)2

What three conversion factors and in what order would you use them to convert the mass of a compound into atoms of a articular element in that compound-- for e

Using the balanced equation 6SO2+6O2=6SO3+3O2 if 96.0 g of SO2 reacts with 32.0 g O2 what mass of the product will form?

KOH with a mass of 50.0 grams is neutralized by 20.0 g of sulfuric acid. The products are potassium sulfate and water

74grams of H2 gas and an excess of O2 gas reacts to form H2O according to the reaction below. What mass of H2O is produced? 2 H2(g) + O2(g) > 2 H2O(g)

mole to mole/mass to mass

What are the products of this reaction? ( Show Work + Explain )

What are the products of this reaction? ( Show Work + Explain )

If 107.00 g of Na3P react how many grams of NaF would be produced? (Show Work Please)

Use the following equation to answer the following questions. (Show Work Please)

A 15.00 g sample of calcium carbonate was placed in excess hydrochloric acid (HCl). A reaction occurred producing calcium chloride, water, and carbon dioxide.

If 107.00 g of Na3P react how many grams of NaF would be produced? (Show Work Please)

Three moles of nitric acid molecules are dissolved in 1.5 L of solution. The solution has a molarity of...

Oxygen reacts with 22g of C5H10 producing CO2 and water. What will the volume of CO2 produced at STP?

2S+3O2=2SO3 is the equation... what mass of molecular oxygen when reacted with excess sulfur will produce 646.97 grams of SO2?

When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 7.2g Ag and 8.0g

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