Molecular Mass and Relative Molecular Mass
Molecular Mass and Relative Molecular Mass
Molecular Mass:
The molecular mass of a substance is the sum of the atomic masses of all the atoms in a molecule of the substance. It is therefore, the relative mass of a molecule expressed in atomic mass units (u).
Illustration : The relative molecular mass of water is 18 u, which can be calculated as
Atomic mass of Hydrogen= 1u
Atomic mass of oxygen =16u
Which of the following statement / statements are correct : (a) Molecular mass of sulphuric acid is 98 u. (b) Molecular mass of ammonia is 17 u. | |||
| Right Option : C | |||
| View Explanation | |||
The percentage by weight of Z in white vitriol, | |||
| Right Option : A | |||
| View Explanation | |||
Determine the molecular mass of ammonia (NH3) ? | |||
| Right Option : C | |||
| View Explanation | |||
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8thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
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Yatharthi Sharma
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Shreya Shrivastava
8thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
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Aman Kumar Shrivastava
10thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
