how many atoms are there in 0.25 moles of hydrogen?
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1 mole of any gas contains 6.022 * 10e23 atoms or the molar number at NTP.
Assuming at 0.25 mole of Hydrogen will have approximately 1.5 * 10e23 of atoms
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1 mole of hydrogen contain 6.022×10^23
0.25 mole of hydrogen contain contain 1.5505×10^23atoms
0.25 mole of hydrogen contain contain 1.5505×10^23atoms
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