The analysis of a chemical substance by determining the masses is
The analysis of a chemical substance by determining the masses is
46.2 ml of a 0.568 M Ca(NO3)2 solution is mixed with 80.5 ml of 1.396 M calcium nitrate solution. The resulting nitrate ion concentration is:
46.2 ml of a 0.568 M Ca(NO3)3 solution is mixed with 80.5 ml of 1.396 M calcium nitrate solution. The resulting nitrate ion concentration is:
To estimate the chloride ion present in the tap water, volumetric analysis is commonly used in the laboratory. Which of the following solutions can be used for the above-mentioned titration?
To estimate the chloride ion present in the tap water, volumetric analysis is commonly used in the laboratory. Which of the following solutions can be used for the above-mentioned titration?
An example of quantitative analysis is
An example of quantitative analysis is
The equivalent mass of a divalent metal is 12. Find the molecular mass of the metal oxide.
If the weight of metal and chloride in a metal chloride is in the ratio 1:2, then the equivalent weight of the metal is
In 1 gram of a metal oxide, the metal precipitated is 0.68 grams. What is the equivalent weight of the metal?
9 grams of a trivalent element combine with 8 g of O2. The atomic weight of the element is
The mole fraction of solute in a 1 molal aqueous solution is
Which of the following modes of expressing concentration is independent of temperature?
The concentration of solute present in trace quantities is expressed in
If 20 ml of 0.25N strong acid and 30 ml of 0.2N strong base are mixed, the resulting solution is
Equal volumes of decinormal AgNO3 and decimolar NaCl are mixed. The normal concentration w.r.t. NO3- ion is
What is the concentration of nitrate ions if equal volumes of 1M NaNO3 and 1M KCl are mixed?
What volume at NTP of gaseous NH3 is required to pass into 30 ml of 1N H2SO4 to bring acid strength to 0.2N?