Gram Atomic Mass

Q.

What is the atomic mass of $\text{K}$?

Q.

Define the following :

Gram atomic mass

Q.

What is the weight of 22.4 litres of Ammonia gas at STP?

1. 34 g

2. 10 g

3. 20 g

4. 17 g

Q. How to calculate relative molecular mass?

Q. What is the mass of one atom of neon if its gram atomic mass is 20 grams?

1. $2.65\times {10}^{-23}$ grams
2. $3.32\times {10}^{-23}$ grams
3. $5.32\times {10}^{-23}$ grams
4. $4.32\times {10}^{-23}$ grams

Q. The relative atomic mass of an element expressed in grams is known as ____________.

1. average atomic mass
2. gram atomic mass
3. average molecular mass
4. gram molecular mass

Q.

Atomic mass tells us how heavy is an atom as compared to 1/12th mass of the carbon.

1. False

2. True

Q.

The ratio of the gram atomic weight of Nitrogen and Oxygen is _______.

Q.

Why it was necessary to measure the atomic mass?

Q.

One atomic mass unit is exactly equal to __________ of the mass of one atom of C-12.

1. one-fourteenth
2. one-twelfth
3. one-tenth
4. one-eighth

Q.

What is gram atomic mass? Give one example [2 MARK]

Q.

The GAM of hydrogen is 1 g. How many grams of hydrogen gas contains avogadro number of molecules?

1. 1 g

2. 2 g

3. 3 g

4. 4 g

Q. How much amount of $N{H}_3$ is produced when 28 g of nitrogen react with 6 g of hydrogen?

1. 34

Q.

Which of the following statements is/are correct for 80 g of oxygen?

1. The atomic mass of oxygen is 16 u.

2. The molecular mass of oxygen is 32 u.

3. The number of gram atoms is 5.

4. The number of gram molecules is 10.

Q. What is the difference between average atomic mass and average molar mass

Q. is the atomic mass of hydrogen
is the atomic mass of helium

Q. How many moles of sodium atoms are present in 69 grams of sodium (Na)?

1. 1
2. 2
3. 3
4. 4

Q. Calculate the molar mass of Calcium Hydroxide.

1. 65 g/mol
2. 84 g/mol
3. 74 g/mol
4. 100 g/mol

Q. Number of moles of any chemical substance is given by the ratio of given mass to _____.

1. Avagadro's number
2. atomic mass
3. molar mass
4. atomic number

Q. 1 mole of a substance consists of a number of particles equal to ____.

1. avogadro's number
2. molecule number
3. mole number
4. formulae number