Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

How many molecules are present in one gram of hydrogen?

$\begin{array}{1 1}(a)\;6.02\times 10^{23}& (b)\;3.01\times 10^{23} \\(c)\;2.5\times 10^{23}&(d)\;1.5\times 10^{23}\end{array} $

Can you answer this question?

1 Answer

0 votes
Molecules in 1g $H_2=\large\frac{1}{2}$mole
$\Rightarrow \large\frac{1}{2}$$\times 6.02\times 10^{23}$
$\Rightarrow 3.01\times 10^{23}$
Hence (b) is the correct answer.
answered Mar 26, 2014 by sreemathi.v

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App