CBSE IX Chemistry Is Matter Around Us Pure?
Concentration of solution
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How many grams of concentrated NITRIC ACID solution should be used to prepare 250ml of 2M NITRIC ACID ? The concentrated acid is 70% NITRIC ACID {HNO3}
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13th May 2018
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CBSE XII Science Chemistry Solutions
Calculate the concentration of NaOH solution in g/ml which has the same normality of a solution of HCl of concentration 0.04g/ml
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13th May 2018
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CBSE XII Science Chemistry Solutions
The density of 85% sulphuric acid is 1.7g/cm-3. What is the volume of the solution which contains 17g of sulphuric acid ?
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13th May 2018
8:16 AM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
6.02 * 10ki power 20 molecules of urea are presentin 100ml of solution the concentration of urea solution is
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22nd May 2018
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CBSE XII Science Chemistry Solutions
A solution is prepared by mixing 100 ml of 0.1 M NH4OH and 200 ml of 0.2 M NH4CL . pKb of NH4OH is 4.8 . Then the pH of the solution is
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19th August 2018
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CBSE XI Science Chemistry Equilibrium
Please solve this question
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4th September 2018
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NEET NEET Chemistry Solutions
What is the [OH-] in the final solution prepared by mixing 20 mL of 0.050 M HCl with 30 mL of 0.10 M Ba(OH)2 ?
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22nd March 2019
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
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28th April 2019
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CBSE XI Science Chemistry Some Basic Concepts in Chemistry
Q,find the concentration of OH ions when 2M NaOH ,3M LiOH and 2L H2O are mixed ? my question is that whether we have to consider moles of OH ions present in H2O molecule ?pls ans
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3rd May 2019
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CBSE XI Science Chemistry Solutions
What do you mean by 10% aqueous solution of sodium chloride
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13th May 2019
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CBSE XII Science Chemistry Solutions
I know that answer is (a) but please explain the reason in detail
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16th June 2019
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NEET NEET Chemistry Solutions
Calculate the normality of 250 mL aqueous solution of H2SO4 having pH -0.0 (a)0.25 N (b)0.50 N (c)1 N (d)2 N
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9th July 2019
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CBSE IX Chemistry Is Matter Around Us Pure?
What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in 50 grams of water at 313k
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19th August 2019
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CBSE IX Chemistry Atoms and Molecules
How to find concentration of the solutions
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11th September 2019
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NEET NEET Chemistry Solutions
please answer this
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6th January 2020
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NEET NEET Chemistry Some Basic Concepts in Chemistry
please answer this
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28th February 2020
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CBSE X Chemistry Acids, Bases and Salts
Why does the concentration of hydrogen or hydroxide ion decrease on diluting strong acid or strong base . Please give an example
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15th April 2020
7:10 AM
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CBSE IX Chemistry Is Matter Around Us Pure?
to make a saturated solution 36 gram of sodium chloride is dissolved in 100 grams of water at 293K. find its concentration at this temperature at 293 Kelvin find its concentration at this temperature at 293 Kelvin find its concentration at this temperature
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20th June 2020
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CBSE X Science Acids, Bases and Salts
How is the concentration of hydroxide ions affected when excess base is dissolved in a solution of sodium hydroxide.?
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8th September 2020
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CBSE XII Science Chemistry
Why primary standard substances are used to make standard solutions
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21st January 2021
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NEET NEET Chemistry
પાણીના એક નમૂનાનું ca+આયનની સંદ્રતા 0.0002M છે તો તે દ્રાવણમાં ca+ ની સન્દ્રતા વજન કદ થી ppm મા કેટલી થાય
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3rd June 2023
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ICSE X Biology Absorption by Roots - The Processes Involved
how to identify that given solution has less or more water concertration
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8th July 2023
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