Solution Stoichiometry

How many moles of BaCl₂ are formed in the neutralization of 393 mL of 0.171 M Ba(OH)₂ with aqueous HCl?

• 1.15 mol

• 0.0672 mol

• 0.0336 mol

• 2.30 mol

Tags

NGSS.HS-PS1-7

What mass of AgBr is formed when 35.5 mL of 0.184 M AgNO₃ is treated with an excess of aqueous hydrobromic acid?

• 53.6 g

• 1.44 g

• 1.23 g

• 34.5 g

Tags

NGSS.HS-PS1-7

How many moles of HNO₃ would be needed to react with 85 mL of 0.75 M KOH?

• 110 mol

• 1.1 mol

• .11mol

• 0.064 mol

• 64 mol

How many mL of 0.50 M HNO₃ would be needed to react with 85 mL of 0.75M KOH?

• 130 mL

• 0.13 mL

• 32 mL

• 0.032 mL

How many grams of water could form in this reaction if 85.0mL of 0.750M KOH are completely neutralized?

• 1.15g

• 282g

• 31.9g

• 113.g

Aqueous solutions of sodium chloride and lead (II) nitrate react to form solid lead(II) chloride in the following balanced equation: 2 NaCl (aq) + Pb(NO₃)₂ (aq) --> PbCl₂ (s) + 2 NaNO₃ (aq) What is the theoretical yield of lead(II) chloride if 250.0 mL of 1.75 M sodium chloride reacts with excess lead(II) nitrate?

• 78.5 g

• 93.1 g

• 45.5 g

• 60.8 g

• 59.4 g

Tags

NGSS.HS-PS1-7

Calcium carbonate reacts with aqueous hydrochloric acid to form calcium chloride solution, water, and carbon dioxide gas in the following equation: CaCO₃ (s) + 2 HCl --> CaCl₂ (aq) + H₂O (l) + CO₂ (g) What volume (in mL) of 1.35 M HCl will be needed to completely react with 3.82 g of solid CaCO₃?

• 56.5 mL

• 47.2 mL

• 61.6 mL

• 34.7 mL

• 124 mL

Tags

NGSS.HS-PS1-7

Solid iron (II) sulfide reacts with hydrochloric acid to form hydrogen sulfide gas and aqueous iron (II) chloride:

FeS (s) + 2 HCl (aq) --> H₂S (g) + FeCl₂ (aq) If 145 mL of HCl is needed to completely react with 25 g of iron (II) sulfide, what is the concentration of the HCl solution?

• 3.1 M

• 0.68 M

• 2.7 M

• 9.0M

• 3.9 M

Tags

NGSS.HS-PS1-7

18.26 mL of a 1.50M hydrochloric acid reacts with magnesium hydroxide. Calculate the mass of magnesium hydroxide needed for the reaction. 
  Mg(OH)₂  +  2 HCl  ->  2 H₂O + MgCl₂           

• 4.68 g Mg(OH)₂
• 0.789 g Mg(OH)₂
• 0.0274 Mg(OH)₂
• 1.07 g Mg(OH)₂

Tags

NGSS.HS-PS1-7

What are the products to a neutralization reaction?

• H₂ + Ionic Salt
• H₂O + Ionic Salt
• H₃O⁺ + Ionic Salt
• OH^- + Ionic Salt