A sample of N2H4 has a mass of 25g. Identify the numerical quantity that is needed to convert the number of grams of N2H4 to the number of moles of N2H4.

Question

asked Sep 12, 2021 43.7k views

1 Answer

Zergski · Answer 1 · 2021-09-19T12:06:46+0000

Answer:

Molecular mass

Step-by-step explanation:

25g of N2H4 is given

in order to find number of moles we need Molecular mass

Molecular mass of N2H4 = 2*14 + 4*1= 32g

No of moles = given mass /molar mass = 25/32 = 0.78moles