One Mole of Ammonia (NH₃)has a Mass of 17

question 81

Multiple Choice

One mole of ammonia (NH₃) has a mass of 17.0 g,and one mole is equal to 6.02 × 10²³ molecules.How many hydrogen (H) atoms are in 55.0 g of ammonia? Note that each molecule of ammonia has 3 hydrogen atoms.

• A)​5.84E+24
• B)​1.95E+24
• C)​3.07E+25
• D)​6.49E+23

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