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Natali5045456 [20]
3 years ago
6

How many hydrogen atoms are contained in 0.40 mL of water, given that the density of water is 1 g/ml?

Chemistry
1 answer:
Paladinen [302]3 years ago
3 0

Answer:

2.676e22 atoms of Hydrogen

Explanation:

Knowing the density of water is 1g/ml, 1(g/ml)*0.4ml=0.4 grams of H2O. Knowing that there are 16 grams of H2O in 1 mole of H2O, we can set up a unit conversion of 0.4 Grams H2O * \frac{1 mol H_2O}{18 grams H_2O}*\frac{2 mol H}{1 mol H_2O} *\frac{6.022e23 atoms of H}{1 mol H}=

2.676e22 atoms of Hydrogen.

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