A. 180g/dm3
B. 170g/dm3
C. 190g/dm3
D. 195g/dm3
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Related Mcqs:
- 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?
A. 0.1 M
B. 1 m
C. 1 M
D. 0.1 N - 18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?
A. 8
B. 5.1
C. 6
D. one/fifty one - Molar heat of vaporization of water is_________________?
A. 40.7 KJ/mole
B. 40.7 J/mole
C. 40.7 cal/mole
D. 40.7 Kcal/mole - Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/min - Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?
A. 0.0002M HCI
B. 0.2 mole of NaCI with 0.2 mole of HNO3
C. 0.4 mole of CH3COOH with 0.4 mole of NaOH
D. 0.4 mole of NH3 with 0.2 mole of HCI - Formalin is ___________ solution of formaldehyde in water?
A. 10%
B. 20%
C. 40%
D. 60% - The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
A. vaporization
B. evaporation
C. crystallization
D. sublimation - Sum of exponents of molar concentration is called___________________?
A. Order of reaction
B. Molecularity
C. Rate of reaction
D. Average of reaction - The molar mass of an organic acids is determined by____________?
A. Depression of freezing point
B. Volumetric method
C. Victor Meyer’s method
D. Osmosis methodSubmitted by: Muhammad Ali Kunbhar
- A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?
A. C2H6O
B. C6H18O3
C. C6H12O6
D. C2H5OSubmitted by: Muhammad Ali Kunbhar
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