What is the molecular weight of Ammonia (NH3) ________ ?

Related Mcqs:

1. 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

2. The mass of 3.2 moles of ammonia (NH3) gas?

   A. 53.4 grams
   B. 54.4 grams
   C. 55.4 grams
   D. 56.4 grams

   Submitted by: Muhammad Ali Kunbhar

3. What is the molecular formula for Ammonia?

   A. NH
   B. NH2
   C. NH3
   D. NH4

   Submitted by: Rashid Mehmood

4. The determination of correct molecular weight from Raoults law is applicable to_________________?

   A. a volatile solute in dilute solution
   B. a non-electrolyte & non volatile solute in concentrated solution
   C. a non-electrolyte & non volatile solute in concentrated solute
   D. non volatile solute in a dilute solution

5. What is the molecular Weight of Nitric acid (HNO3 ) ?

   A. 63.012 g/mol
   B. 65.012 g/mol
   C. 70.012 g/mol
   D. 81.011 g/mol

   Submitted by: Rashid Mehmood

6. A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

   A. 24
   B. 32
   C. 36
   D. 40

   Submitted by: Muhammad Ali Kunbhar

7. Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?

   A. 2
   B. 6
   C. 4
   D. 8

8. The number of ions produced by [Pt(NH3)]Cl2?

   A. 4
   B. 2
   C. 3
   D. 5

   Submitted by: Bareera

9. The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ?

   A. 4.8 ounce
   B. 5.8 ounce
   C. 5.4 ounce
   D. 4.4 ounce

   Submitted by: Mansoor Ahmed Suhag

10. What is the molecular formula for Nitric acid ________ ?

    A. HNO2
    B. HNO3
    C. HN2O2
    D. H2NO4

    Submitted by: Rashid Mehmood