The milliliters of 0.225 M NH 3 solution required to react exactly with 30.0 mL of a 0.190 M H 2 SO 4 solution is to be calculated. Concept introduction: Stoichiometry of a chemical species involved in a chemical reaction represents the amount of chemical species involved in the chemical reaction. The stoichiometry of a chemical species helps in calculating the expected mass of reactant and product. Stoichiometry of a chemical species is also represented in number of moles. The number of moles of a substance is given as, n = m M Where, • m represents the mass of the substance. • M represents the molar mass of the substance.

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Chapter 7, Problem 7.56E

Interpretation Introduction

Interpretation:

The milliliters of 0.225 MNH3 solution required to react exactly with 30.0 mL of a 0.190 MH2SO4 solution is to be calculated.

Concept introduction:

Stoichiometry of a chemical species involved in a chemical reaction represents the amount of chemical species involved in the chemical reaction. The stoichiometry of a chemical species helps in calculating the expected mass of reactant and product. Stoichiometry of a chemical species is also represented in number of moles. The number of moles of a substance is given as,

n=mM

Where,

• m represents the mass of the substance.

• M represents the molar mass of the substance.

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