The mole ratio of H2 and O2 gas is 8:1. The ratio of their weight will be:

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

Subtopic:  Moles, Atoms & Electrons |
73%
From NCERT
AIPMT - 1999
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The specific volume of cylindrical virus particle is $6.02$ $×$ ${10}^{-2}$ $cc/g\mathrm{m w}$hose radius and length are 7 Å & 10Å respectively. If ${N}_{A}$ $=$ $6.023$ $×{10}^{23}$$$\text{mol}^{-1}$$, find the molecular weight.

1. $$15.4 \mathrm{~kg} / \mathrm{mol}$$
2. $$1.54 \times 10^4 \mathrm{~kg} / \mathrm{mol}$$
3. $$3.08 \times 10^4 \mathrm{~kg} / \mathrm{mol}$$
4. $$3.08 \times 10^3 \mathrm{~kg} / \mathrm{mol}$$

Subtopic:  Moles, Atoms & Electrons |
From NCERT
AIPMT - 2001
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Which among the following has the maximum number of molecules?

1. 7 gm N2

2. 2 gm H2

3. 16 gm NO2

4. 16 gm O2

Subtopic:  Moles, Atoms & Electrons |
86%
From NCERT
AIPMT - 2002
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The maximum number of molecules is present in:

 1 5L of N2 gas at STP 2 0.5 g of H2 gas 3 10g of O2 gas 4 15 L of H2 gas at STP
Subtopic:  Moles, Atoms & Electrons |
68%
From NCERT
AIPMT - 2004
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