Respuesta :

chemhelperAZ

Answer:

126.99g

Explanation:

NiO has a molar mass of 74.7 g/mol. This means that one mole of nickel (II) oxide has a mass of 74.7 grams. We can use stoichiometry/dimensional analysis to figure out how many grams are in 1.7 moles.

[tex]1.7mol NiO (\frac{74.7grams}{1 mole} ) = 126.99g[/tex]

keijosalonen

Answer: mass m = n M = 1.7 mol × 74.69 g/mol

Explanation:

Molar mass M(NiO) = (58.69+16) g/mol