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14. Which of the following has the highest mass ? (1) 1 g atom of C (2) Y2 mole of CH4 (3) 10 mL of water (4) 3.011 x 1023 atoms of oxygen hinh of the following contains the least number

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Similar Questions

Q1

Which of the following statements are incorrect.
i. The absolute mass of three oxygen atoms is 32 amu.
ii. The mass of

3.01 \times 10^{23}

atoms of oxygen is 16 g.
iii. The mass of 48 g oxygen contains

1.806 \times 10^{23}

atoms of oxygen.
iv. 252 g of Nitric acid contains 4 moles of Nitrogen atoms and

2.408 \times 10^{23}

Hydrogen atoms.

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Q2

Calculate the number of moles present

3.011 \times 10^{23}

numbers of oxygen atoms

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Q3

which of the following has least mass? ( with whole method)

1. 2g of nitrgen

2. 3*10²³atoms of carbon

3. 1 mole of sulphur

4. 7g of silver

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Q4

Calculate the mass of the following.

3.011 \times 10^{23}

number of

N

atoms.

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Q5

calculate the mass of the following
a) 0.5 mole of iron. (atomic mass of Fe= 55.9 gm)
b) 2.5 mole of oxygen atoms. (atomic mass of O = 16gm)
c) 3.011 * 10^23 number of N atoms. (atomic mass of N =14gm)

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