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AcidsBases and Chemical Reactions
Moles in 50 mL of a 0.5 mol/L solution are:
A. 1.025 mol
B. 0.0275 mol
C. 0.0225 mol
D. 0.025 mol
Correct Answer: D
n=MV with V in litres.
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AcidsBases and Chemical Reactions
Moles in 25 mL of a 0.5 mol/L solution are:
A. 0.0113 mol
B. 0.0125 mol
C. 1.0125 mol
D. 0.0138 mol
Correct Answer: B
n=MV with V in litres.
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AcidsBases and Chemical Reactions
Moles in 250 mL of a 0.2 mol/L solution are:
A. 1.05 mol
B. 0.05 mol
C. 0.055 mol
D. 0.045 mol
Correct Answer: B
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 100 mL of a 0.2 mol/L solution are:
A. 0.018 mol
B. 1.02 mol
C. 0.022 mol
D. 0.02 mol
Correct Answer: D
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 50 mL of a 0.2 mol/L solution are:
A. 0.01 mol
B. 0.011 mol
C. 0.009 mol
D. 1.01 mol
Correct Answer: A
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 25 mL of a 0.2 mol/L solution are:
A. 0.0045 mol
B. 0.005 mol
C. 1.005 mol
D. 0.0055 mol
Correct Answer: B
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 250 mL of a 0.1 mol/L solution are:
A. 1.025 mol
B. 0.0225 mol
C. 0.0275 mol
D. 0.025 mol
Correct Answer: D
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 100 mL of a 0.1 mol/L solution are:
A. 0.009 mol
B. 0.01 mol
C. 0.011 mol
D. 1.01 mol
Correct Answer: B
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 50 mL of a 0.1 mol/L solution are:
A. 0.005 mol
B. 1.005 mol
C. 0.0045 mol
D. 0.0055 mol
Correct Answer: A
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Moles in 25 mL of a 0.1 mol/L solution are:
A. 0.0025 mol
B. 1.0025 mol
C. 0.0028 mol
D. 0.0023 mol
Correct Answer: A
n=MV with V in litres.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which chemical equation is best identified by the following reaction type: acid-base neutralization?
A. CH4 + 2O2 → CO2 + 2H2O
B. AgNO3 + NaCl → AgCl + NaNO3
C. CaCO3 → CaO + CO2
D. HCl + NaOH → NaCl + H2O
Correct Answer: D
The chemical equation matching 'acid-base neutralization' is HCl + NaOH → NaCl + H2O.
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AcidsBases and Chemical Reactions
Which reaction type is correctly associated with HCl + NaOH → NaCl + H2O?
A. decomposition reaction
B. single-displacement reaction
C. acid-base neutralization
D. combination/synthesis reaction
Correct Answer: C
HCl + NaOH → NaCl + H2O is associated with acid-base neutralization.
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AcidsBases and Chemical Reactions
Which chemical equation is best identified by the following reaction type: combustion reaction?
A. CH4 + 2O2 → CO2 + 2H2O
B. HCl + NaOH → NaCl + H2O
C. Zn + 2HCl → ZnCl2 + H2
D. CaCO3 → CaO + CO2
Correct Answer: A
The chemical equation matching 'combustion reaction' is CH4 + 2O2 → CO2 + 2H2O.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which reaction type is correctly associated with CH4 + 2O2 → CO2 + 2H2O?
A. double-displacement/precipitation reaction
B. decomposition reaction
C. combustion reaction
D. acid-base neutralization
Correct Answer: C
CH4 + 2O2 → CO2 + 2H2O is associated with combustion reaction.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which chemical equation is best identified by the following reaction type: double-displacement/precipitation reaction?
A. Zn + 2HCl → ZnCl2 + H2
B. AgNO3 + NaCl → AgCl + NaNO3
C. CaCO3 → CaO + CO2
D. 2H2 + O2 → 2H2O
Correct Answer: B
The chemical equation matching 'double-displacement/precipitation reaction' is AgNO3 + NaCl → AgCl + NaNO3.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which reaction type is correctly associated with AgNO3 + NaCl → AgCl + NaNO3?
A. acid-base neutralization
B. combination/synthesis reaction
C. single-displacement reaction
D. double-displacement/precipitation reaction
Correct Answer: D
AgNO3 + NaCl → AgCl + NaNO3 is associated with double-displacement/precipitation reaction.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which chemical equation is best identified by the following reaction type: single-displacement reaction?
A. Zn + 2HCl → ZnCl2 + H2
B. CH4 + 2O2 → CO2 + 2H2O
C. 2H2 + O2 → 2H2O
D. AgNO3 + NaCl → AgCl + NaNO3
Correct Answer: A
The chemical equation matching 'single-displacement reaction' is Zn + 2HCl → ZnCl2 + H2.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which reaction type is correctly associated with Zn + 2HCl → ZnCl2 + H2?
A. acid-base neutralization
B. combination/synthesis reaction
C. decomposition reaction
D. single-displacement reaction
Correct Answer: D
Zn + 2HCl → ZnCl2 + H2 is associated with single-displacement reaction.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which chemical equation is best identified by the following reaction type: decomposition reaction?
A. Zn + 2HCl → ZnCl2 + H2
B. HCl + NaOH → NaCl + H2O
C. 2H2 + O2 → 2H2O
D. CaCO3 → CaO + CO2
Correct Answer: D
The chemical equation matching 'decomposition reaction' is CaCO3 → CaO + CO2.
CSS - PMS - CCE - PCS - Everyday Science
AcidsBases and Chemical Reactions
Which reaction type is correctly associated with CaCO3 → CaO + CO2?
A. acid-base neutralization
B. combustion reaction
C. double-displacement/precipitation reaction
D. decomposition reaction
Correct Answer: D
CaCO3 → CaO + CO2 is associated with decomposition reaction.