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Inorganic Chemistry
A sample of hard water contains about 2.0 x 10^-3 M Ca^2+ . A soluble Fluoride containing salt such as NaF is added to fluoridate the water. what is the maximum concentratio0n of F- that can be presented without precipitation oc CaF2? Ksp for CaF2=5.3 x 10^ -11
Inorganic Chemistry
20 ml each of oxygen and hydrogen and 10ml of carbon monoxide are exploded in an enclosure. what will be the volume and compotion of the mixtures of the gases when they are cooled to room tempetature. Q2. 224cm3 of ammonia undergoes catalytic oxidation in presence of Pt to give nitric oxide and water vapour. Calculate the volume of oxygen riquired for the reaction. All volumes measured at S.T.P Q.3 Calculate the No. of Atom in 10 ltrs of ammonia (NH3) [ N=14,H=1].
I did not understand how you solved it please explain I need it urgently.
I did not understand how you solved it please explain I need it urgently.
Inorganic Chemistry
from the following precursors bio molecules
D-glucose,D-fructose,D-galactose ,
1_reducing disaccharide(give systematic or common name of the compound)
D-glucose,D-fructose,D-galactose ,
1_reducing disaccharide(give systematic or common name of the compound)
Inorganic Chemistry
Define Enthalpy and Internal energy?
Inorganic Chemistry
r coloured metal (A) is added to dilute sulphuric acid, solution (B) is formed which is colourless solution and a gas (c) is evolved which is colourless name ‘A’, ‘B’ and ‘C’ and write the equation?
Inorganic Chemistry
i was asking which one are solid Mgs, AgI, NiCl2, K2S, CaS, NH4OH, KBr, LiCN
Inorganic Chemistry
A 2.50L sample of carbon monoxide gas has a pressure of 835mmHg. Assuming the temperature remains constant, what is the final pressure if the volume is changed to 6.35L?
Inorganic Chemistry
Lead pigments were used in water colour painting which turned black after prolonged to an air pollutant the original color was restored by using H2O2 which pollutant turned the painting black?
Inorganic Chemistry
Cholesterol in blood is measured in mg of cholesterol per deciliter of blood. If the average adult has 6.0 L of blood , how many grams of cholesterol would be in the blood of an average adult with a cholesterol reading of 228 mg/dL? Density of blood = 1.020g/mL
Inorganic Chemistry
Suppose a solution of Co(NO3)2 has an extinction coefficient of 5.1 L/mol-cm at 505nm, show that a 0.0300M Co(NO3)2 solution will give an absorbance of 0.15.
