In a laboratory investigation students measure the rate of fermentation in yeast cells data was collected by the students group showing how the rate of fermentation is altered by: 1. PH of the reaction mixture; 2. Amount of yeast added to the reaction mixture; 3. Type of sugar added to the reaction mixture.

d.  a polyatomic anion

Explanation:

ate and -ite are commonly used for polyatomic ions of Oxygen. - ate is used for the ion that has the largest number of Oxygen atoms. the -ite would be used for the ion with the smaller. NO2 and NO3 are known as Nitrite and Nitrate respectively.

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