Question
Download Solution PDFWhich one among the following nitrogen compounds has the least percentage of nitrogen by mass?
Answer (Detailed Solution Below)
Option 1 : (NH4)3PO4
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UPSC CDS 01/2025 General Knowledge Full Mock Test
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Detailed Solution
Download Solution PDFThe correct answer is (NH4)3PO4
CONCEPT:
- Percentage composition of a given compound is defined as the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100.
EXPLANATION:
- Among the given compounds (NH4)3PO4 or ammonium phosphate has the least percentage of nitrogen by mass.
- Percentage of nitrogen by mass in (NH4)3PO4(contains three Nitrogen atoms) =
% - Percentage of nitrogen by mass in NH4OH =
% - Percentage of nitrogen by mass in NH3 =
% - Percentage of nitrogen by mass in NH4NO3 (contains two Nitrogen atoms) =
%
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