   Chapter 11.6, Problem 2.1ACP

Chapter
Section
Textbook Problem

Calculate the weight percent of nitrogen in melamine and cyanuric acid and compare this value to the average percent of nitrogen in protein (14%).

Interpretation Introduction

Interpretation:

It should be calculate and compare the weight percentage of nitrogen in melamine and cyanuric acid with the average percent of nitrogen in protein.

Concept Introduction:

Percentage of Weight: The grams of solute in 100 grams of solution, the fallowing formula is,

Percentageweight=Weightofsolute(g)Weightofsolution(g)×100

A hydrogen bonding is partially an electrostatic attraction between H atom which is bonded to more electronegative atom such as N, O, orF and another adjacent atom bearing a lone pair of electron.

Explanation

The chemical formula for melamine is C3H6N6 so the molecular weight of melamine is

C3H6N6Massofcarbonatoms=3×12=36Massofhydrogenatoms=1.01×6=6.01Massofnitrogenatom=14.01×6=84Totalmassvalueofgivencompound=126.13

Next we calculate the mass melamine N%

In melamine=Molecularweightofnitrogen=84=84126×100=66

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