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Introduction to Hydrogen

Atomic mass o...

Question

Atomic mass of hydrogen is 1.008 or 1.0008?

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Solution

The exact atomic mass of hydrogen is-
1.00794 u $\pm$ 0.00001 u.

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Similar questions

Q. Choose the correct option regarding the following statements:

Statement 1: Heavy water is 50% heavier than normal water.
Statement 2: Atomic mass of hydrogen is 1.008 amu.

Q. A helium atom, a hydrogen atom and a neutron have masses of

4.003 u

1.008 u

1.009 u

(unified atomic mass units), respectively. Assuming that hydrogen atoms and neutrons can fuse to form helium, what is the binding energy of a helium nucleus?

Q. A carbon compound contains 12.8% of carbon; 2.1% of hydrogen and 85.1% of bromine. The molecular mass of compound is 187.9. Calculate the molecular formula of the compound (Atomic mass H = 1.008, C = 12, Br = 79.9):

Q. Complete the sentence with the most suitable option:

Hydrogen is an element ________ atomic number is

1

and _________ atomic weight is

1.008

.

Q. A carbon compound contains

12.8

2.1

% of hydrogen and

85.1

% of bromine. The molecular weight of the compound is

187.9

. Calculate the molecular formula of the compound. (Atomic wts:

H = 1.008, C = 12.0, B r = 79.9

)

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