Chapter 3: Q3.7 CYL (page 139)

What is the mass of 0.443 mol of hydrazine, N₂H₄?

Short Answer

Expert verified

The mass of hydrazine will be \(14.196{\rm{ g}}\)

Step by step solution

Determine molecular mass of hydrazine

To evaluate the mass of 0.443 moles of hydrazine, we first have to calculate the molar mass of hydrazine.

Element	Quantity		Molar mass (g/mol element)		Subtotal (g/mol compound)
N	2	×	14.007	=	28.014
H	4	×	1.008	=	4.032
			Molecular mass(g/mol)	=	32.046

Determine actual mass of hydrazine

The amount of mass will be, \(0.443{\rm{ mol of hydrazine}} \times \frac{{32.046{\rm{ g of hydrazine}}}}{{1{\rm{ mol of hydrazine}}}} = 14.196{\rm{ g of hydrazine}}\)

Hence, the mass of hydrazine will be \(14.196{\rm{ g}}\)

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What is the mass of 0.443 mol of hydrazine, N₂H₄?

Short Answer

Step by step solution

Determine molecular mass of hydrazine

Determine actual mass of hydrazine

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