Pure Water Is Defined by

question 8

Multiple Choice

Pure water is defined by

• A) a neutral pH of 7 and an equal number of H+ and OH- ions.
• B) a neutral pH of 7.
• C) a neutral pH of 7, and equal number of H+ and OH- ions, and its ability to serve as a pH buffer in solutions.
• D) an equal number of H+ and OH- ions.
• E) its ability to serve as a pH buffer in solutions.

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Definitions:

Marginal Tax Rate

The marginal tax rate is the percentage of tax applied to your income for each tax bracket in which you qualify, essentially the tax rate on your last dollar of income.

Progressive Tax

A tax system in which the tax rate increases as the taxable amount increases, often aimed at ensuring tax equity.

Sales Taxes

Taxes imposed by governments on the sale of goods and services, collected by sellers at the point of sale.

Proportional

Relating to a relationship or ratio between two quantities where they increase or decrease at the same rate.