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Mole Concept Chemistry Empirical Formulae Molecular Formulae

03/05/21

How do you get the mass of Zn? I've been staring at this question for a solid 15 minutes now...

Solving numerical problems involving empirical formulae and molecular formulae:What is the mass of zinc required to combine with 0.5 mol of chlorine to produce zinc chloride, ZnCl2?

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Mole Concept Chemistry

02/15/20

When a student added 13gm of zinc to 50cm3 of HCl acid . Calculate :1) The number of moles of zinc added. 2) The mass of ZnCl2 formed. 3) The volume of H2 gas produced

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Mole Concept Chemistry

06/23/19

N2g+3H2g=2NH3g , what is the maximum mass that can be produced from a mixture of 2.00×10'3g ,N2 and 8.00×10'4g ,H2

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Mole Concept Chemistry

05/13/19

if 5.13g of aq solution of sugar c12h22o11 is present in 250 ml of h2o then calculate molality of the solution

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Mole Concept

07/07/18

question based on dilution and mixing if liquids

what volume in ml of 0.2M h2so4 solution should be mixed with the 40 ml of 0.1 M naoh solution such that the resulting solution has the concentration of h2so4 as 6/55 M

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Mole Concept

07/04/18

a sample of chalk contains clay as impurity.The clay impurity losses 11% of its weight as moisture on prolong heating.

a sample of chalk contains clay as impurity.The clay impurity losses 11% of its weight as moisture on prolong heating.5g sample of chalk on heating shows a loss in weight (due to evolution of co2... more

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Mole Concept

06/21/18

1.6 of methane was burnt in limited supply of oxygen and an equation was given.how do u calculate the number of moles burnt and the oxygen used?

the equation is 2CH4 + 3 O2---------- 2CO + 4 H2O

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Mole Concept Stoichoimetry

06/16/18

How many grams of solute should be added in 100 gm of water to get a solution of density 1.2gm/ ml and strength 5% (w/v)?

Concentration terms

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Mole Concept

06/10/18

The percentage by volume of C3H8 in a mixture of C3H8,CH4 and CO is 36.5. Calculate the volume of CO2 produced when 100mL of mixture is burnt in excess of O2

This question is from mole concept and stoicometry Please give me the full key.

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Mole Concept

03/21/18

How many moles of ammonia can be made from 6mole of hydrogen molecules and 6 moles of nitrogen molecules

Hydrogen is h

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Mole Concept

01/30/18

Is the density will affect to measure the mole of solid substance?

Is the density will effect to calculate the mole of solid substance

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Mole Concept Chemistry Moles Chemistry Conversion

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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Mole Concept Chemistry

09/22/17

What is the molar volume at NTP and STP ? In a book its written both are 22.4L how come ?

In other books its written 22.7 for stp and 22.4 for ntp...pls help !

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Mole Concept Chemistry

09/20/16

Mole Fraction

how is the mole fraction determined for different problems ?

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Mole Concept

06/20/16

An aqueous solution of X is 3 molal. find mole fraction of X

Please solve this question and give details of solutions.

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Mole Concept Chemistry Stoichiometry

01/01/16

what is the amount of heat evolved when 1 mole of strong acid is completely neutralized with 1 mole of strong base?

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Mole Concept Chemistry

09/29/14

One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. No

One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added.Note that M represent Molarity of solution.

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Answers •1

Mole concept

How do you get the mass of Zn? I've been staring at this question for a solid 15 minutes now...

When a student added 13gm of zinc to 50cm3 of HCl acid . Calculate :1) The number of moles of zinc added. 2) The mass of ZnCl2 formed. 3) The volume of H2 gas produced

N2g+3H2g=2NH3g , what is the maximum mass that can be produced from a mixture of 2.00×10'3g ,N2 and 8.00×10'4g ,H2

if 5.13g of aq solution of sugar c12h22o11 is present in 250 ml of h2o then calculate molality of the solution

question based on dilution and mixing if liquids

a sample of chalk contains clay as impurity.The clay impurity losses 11% of its weight as moisture on prolong heating.

1.6 of methane was burnt in limited supply of oxygen and an equation was given.how do u calculate the number of moles burnt and the oxygen used?

How many grams of solute should be added in 100 gm of water to get a solution of density 1.2gm/ ml and strength 5% (w/v)?

The percentage by volume of C3H8 in a mixture of C3H8,CH4 and CO is 36.5. Calculate the volume of CO2 produced when 100mL of mixture is burnt in excess of O2

How many moles of ammonia can be made from 6mole of hydrogen molecules and 6 moles of nitrogen molecules

Is the density will affect to measure the mole of solid substance?

Empirical & Molecular formulas of compounds

What is the molar volume at NTP and STP ? In a book its written both are 22.4L how come ?

Mole Fraction

An aqueous solution of X is 3 molal. find mole fraction of X

what is the amount of heat evolved when 1 mole of strong acid is completely neutralized with 1 mole of strong base?

One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. No

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One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. No

what is the amount of heat evolved when 1 mole of strong acid is completely neutralized with 1 mole of strong base?

An aqueous solution of X is 3 molal. find mole fraction of X

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How do you get the mass of Zn? I've been staring at this question for a solid 15 minutes now...

When a student added 13gm of zinc to 50cm3 of HCl acid . Calculate :1) The number of moles of zinc added. 2) The mass of ZnCl2 formed. 3) The volume of H2 gas produced

N2g+3H2g=2NH3g , what is the maximum mass that can be produced from a mixture of 2.00×10'3g ,N2 and 8.00×10'4g ,H2

if 5.13g of aq solution of sugar c12h22o11 is present in 250 ml of h2o then calculate molality of the solution

question based on dilution and mixing if liquids

a sample of chalk contains clay as impurity.The clay impurity losses 11% of its weight as moisture on prolong heating.

1.6 of methane was burnt in limited supply of oxygen and an equation was given.how do u calculate the number of moles burnt and the oxygen used?

How many grams of solute should be added in 100 gm of water to get a solution of density 1.2gm/ ml and strength 5% (w/v)?

The percentage by volume of C3H8 in a mixture of C3H8,CH4 and CO is 36.5. Calculate the volume of CO2 produced when 100mL of mixture is burnt in excess of O2

How many moles of ammonia can be made from 6mole of hydrogen molecules and 6 moles of nitrogen molecules

Is the density will affect to measure the mole of solid substance?

Empirical & Molecular formulas of compounds

What is the molar volume at NTP and STP ? In a book its written both are 22.4L how come ?

Mole Fraction

An aqueous solution of X is 3 molal. find mole fraction of X

what is the amount of heat evolved when 1 mole of strong acid is completely neutralized with 1 mole of strong base?

One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. No

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

One litre of 0.15M HCL and one litre of 0.3M HCL is given. What is the maximum volume of 0.2M HCL which one can make from these solution. No water is added. No

what is the amount of heat evolved when 1 mole of strong acid is completely neutralized with 1 mole of strong base?

An aqueous solution of X is 3 molal. find mole fraction of X

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