Question

Which one of the following is not equal to gram molecular mass of hydrogen (a) 2 grams (b) 6.022 x 10 23atoms of hydrogen (c) 6.022 x 10 23molecules of hydrogen (d) 1 mole of hydrogen

Answer 1

Answer:

Explanation:

Which one of the following is not equal to gram molecular mass of hydrogen (a) 2 grams (b) 6.022 x 10 23atoms of hydrogen (c) 6.022 x 10 23molecules of hydrWhich one of the following is not equal to gram molecular mass of hydrogen (a) 2 grams (b) 6.022 x 10 23atoms of hydrogen (c) 6.022 x 10 23molecules of hydrogen (d) 1 mole of hydrogenogen (d) 1 mole of hydrogen

Answer 2

CORRECT QUESTION.

Which one of the following is not equal to gram molecular mass of hydrogen (a) 2 grams (b) 6.022 x 10²³ atoms of hydrogen (c) 6.022 x 10²³ molecules of hydrogen (d) 1 mole of hydrogen molecule.

ANSWER

The correct answer is option (b) 6.022 x 10²³ atoms of hydrogen.

GIVEN

Gram molecular mass of Hydrogen.

TO FIND

Which of the following is not equal to gram molecular mass of Hydrogen.

SOLUTION

We can simply solve the above problem as follows;

We know that,

Hydrogen molecule exists as H₂

Molar mass of 1 mole of Hydrogen = Gram molecular mass of Hydrogen = 2 grams.

Now,

(a) 2 grams.

Since, Molecular mass of Hydrogen = Option (a) = 2 grams

Therefore option(a) is incorrect.

(b) 6.022 x 10²³ atoms of hydrogen

We know that,

6.022 × 10²³ atoms of Hydrogen = 1 mole of Hydrogen atom.

Molar mass of 1 mole of Hydrogen atom = 1 grams.

Therefore,

Gram molecular mass of hydrogen ≠ 6.022 x 10²³ atoms of hydrogen.

(c) 6.022 x 10²³ molecules of hydrogen

We know that,

6.022 × 10²³ of atoms of Hydrogen weighs 2 grams.

Therefore, option (c) is incorrect.

(d) 1 mole of Hydrogen morecule.

We know that,

Mass of 1 molecule of Hydrogen = 2 grams.

Hence, The correct answer is option (b) 6.022 x 10²³ atoms of hydrogen.

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