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How many atoms of hydrogen are in 0.25 moles of carbon tetrahydride? ***Use scientific notation***

Sagot :

biankitamora2008

Answer:

Total no. of atoms in 0.25 moles of H2 are 3.01 × 10^23.

Explanation:

indrawboy

carbon tetrahydride: CH₄

there are 4 atoms H in 1 mole CH₄

N = n x No

No = avogadro's = 6.02 x 10²³

number of molecules CH₄:

= 0.25 x 6.02 x 10²³

= 1.505 x 10²³ molecules

for 4 atoms of H:

= 4 atoms/molecules x 1.505 x 10²³ molecules

= 6.02 x  10²³ atoms

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