Test

\begin{array}{l} \text { Premium tahunan lelaki } 29 \text { tahun } \\ \text { yg merokok } \\ =\frac{\text { RM } 120000}{\text { RM } 1000} \times 2.75 \\ =\text { RM } 330 \end{array} \begin{array}{l} \text { Premium tahunan lelaki } 29 \text { tahun } \\ \text { yg merokok } \\ =\frac{\text { Rm } 120000}{\text { RmI } 000} \times 2.75 \\ =\text { Rm } 330 \end{array} Diagram 3 shows the formation of ammonium sulphate. State the names of Process X and Substance Y. Write a balanced chemical equation for the reaction between ammonia and sulphuric acid. Calculate the percentage of nitrogen by mass in ammonium sulphate (NH4)2SO4. [Relative atomic mass/Jisim atom relatif: N,14;O,16;S,32;H;1]

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