Question

how many atoms are there in 10g of hydrogen​

Answer 1

Each molecule of water contains 2 H: then total H-atoms in 10 grams of water = 3.34 E 23 x 2 = 6.64 E 23 atoms.Feb 12, 2018

Answer 2

Answer:

hydrogen =

$\frac{10g}{1.01g \: mol { - }^{1} } = 9.90 \: mol$

one mole specifies 6.022×10^23.

hence,

9.9 mol × 6.022×10^23 mol^-1 =no. of hydrogen atoms.

=5.96= 6 atoms.

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