Continuous spectrum and line spectrum are two types of spectra; their main difference is that continuous spectrum contains no gaps whereas line spectrum contains many gaps.
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Base peak: The most intense (tallest) peak in a mass spectrum, due to the ion with the greatest relative abundance (relative intensity; height of peak along the spectrum's y-axis). Not to be confused with molecular ion: base peaks are not always molecular ions, and molecular ions are not always base peaks.
Answer:
0.783 kg
Explanation:
You must make the conversions:
atoms of Pb ⟶ moles of Pb ⟶ grams of Pb ⟶ moles of Pb

