Balancing Equations (retest)

A solution of lead hydroxide is added to a solution of hydrochloric acid to make liquid water and a solid lead chloride.

What is the state of the lead hydroxide?

• aqueous (aq)

• solid (s)

• gas (g)

• liquid (l)

A solution of lead hydroxide is added to a solution of hydrochloric acid to make liquid water and a solid lead chloride.

What is the state of the lead chloride?

• aqueous (aq)

• solid (s)

• gas (g)

• liquid (l)

A solution of lead hydroxide is added to a solution of hydrochloric acid to make liquid water and a solid lead chloride.

Which are the reactants?

• lead hydroxide

• hydrochloric acid

• water

• lead chloride

A solution of lead hydroxide is added to a solution of hydrochloric acid to make liquid water and a solid lead chloride.

Which is the best skeleton chemical equation?

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What coefficient is needed in the reactants to balance the reaction?

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Potassium metal is reacted with a solution of magnesium bromide (MgBr2) to produce a solution of potassium bromide (KBr) and solid magnesium.

In the beginning, is the skeleton chemical equation balanced?

• Yes

• No.

Potassium metal is reacted with a solution of magnesium bromide (MgBr2) to produce a solution of potassium bromide (KBr) and solid magnesium.

In the skeleton chemical equation, how many bromine atoms are present in the reactants?

• 1

• 2

• 3

• 4

Potassium metal is reacted with a solution of magnesium bromide (MgBr2) to produce a solution of potassium bromide (KBr) and solid magnesium.

Which is the balanced chemical equation for the word problem?

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