Lead (II) Nitrate Is a Poisonous Substance Which Has Been

question 26

Multiple Choice

Lead (II) nitrate is a poisonous substance which has been used in the manufacture of special explosives and as a sensitizer in photography. Calculate the mass of lead in 139 g of Pb(NO₃) ₂.

• A)107 g
• B)90.8 g
• C)87.0 g
• D)83.4 g
• E)62.6 g

---

Definitions:

Affirmative Action Label

A term used to refer to policies or measures that aim to increase opportunities for historically underrepresented groups in areas like education and employment by considering factors like race and gender.

Negative Feelings

Unpleasant emotions such as sadness, anger, or fear.

Glass Ceiling

An invisible barrier that prevents marginalized or minority groups, especially women, from rising beyond a certain level in a hierarchy.

Ethnic Minority

A demographic group within a larger community that has different national or cultural traditions from the main population.