The level of contamination of chloroform was found to be 15 ppm. It means 15 g of chloroform is present in how many grams of solution?
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Mole fraction of glycerine, C3H5(OH)3 in a solution containing 36 gm of water and 46 gm of glycerine is:
A sample of 300.0 g of drinking water is found to contain 38 mg Pb. What this concentration in parts per million?
What is the mass of NaCl required to prepare 0.5 liters of a 2.5 molar solution of NaCl?
The molarity of a solution obtained by mixing 750 ml of 0.5(M) HCl with 250ml of 2(M) HCl will be?
Mole fraction of ethyl chloride and methanol in a ternary solution is 0.6 and 0.32 respectively. What is the mole fraction of third component. Also identify the solvent in this ternary solution.
135 videos|348 docs|182 tests
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135 videos|348 docs|182 tests
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