Respuesta :

MathPhys

Answer:

9.02×10⁻¹¹ mol NH₃

Explanation:

Convert nanograms to grams:

1.56 ng NH₃ × (1 g / 10⁹ ng) = 1.56×10⁻⁹ g NH₃

Convert grams to moles:

1.56×10⁻⁹ g NH₃ × (1 mol NH₃ / 17.3 g NH₃) = 9.02×10⁻¹¹ mol NH₃

kapoorprachi783

The answer is 9.02×10⁻¹¹ mol NH₃

How to convert grams to moles?

Convert nanograms to grams:

1.56 ng NH₃ × (1 g / 10⁹ ng) = 1.56×10⁻⁹ g NH₃

Convert grams to moles:

1.56×10⁻⁹ g NH₃ × (1 mol NH₃ / 17.3 g NH₃) = 9.02×10⁻¹¹ mol NH₃

A mass of a substance in grams is numerically equal to its molecular weight. Example: A gram-mole of salt (NaCl) is 58.44 grams.

Learn more about molecular weight here: https://brainly.com/question/1603500

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