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13. Solving a chemistry problem
Content: 2.rar 23,31 kB
Product description
2. Calculate how much of the initial substance is required to be taken to prepare a given volume of an acid or base solution with a given concentration. The corresponding mass content of acids and bases in the initial solution should be taken from the reference tables in the Appendix. Write down the calculation formulas and bring all the required calculations.
Indicate the adjusting substance, the primary standard, write down the equations of reactions occurring in the solution during standardization, and give formulas for calculating the exact concentration of the prepared solution.
The variant number is determined by the last digit of the cipher.
Initial substance Density of initial solution, g/cm3 Volume, ml Concentration
HNO3 1.23 1000 C(HNO3)=0.1000 mol/l
Additional information
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