The volume of NH 3 at STP required to prepare 100. mL of concentrated ammonia solution is to be calculated. Concept Introduction: Solution is composed of solute and solvent particles. Solute particles are always present in lower amount as compared to amount of the solvent in the solution. The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element. The molarity is calculated by the formula, Molarity = Number of moles of solute Volume of solution L .

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Chapter 15, Problem 97AP

Interpretation Introduction

Interpretation:

The volume of NH3 at STP required to prepare 100. mL of concentrated ammonia solution is to be calculated.

Concept Introduction:

Solution is composed of solute and solvent particles. Solute particles are always present in lower amount as compared to amount of the solvent in the solution. The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.

The molarity is calculated by the formula,

Molarity=Number of moles of soluteVolume of solution L.

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