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Questions and Answers
Which pair of reactants mixing will result in a precipitation reaction?
Which pair of reactants mixing will result in a precipitation reaction?
- Na2SO4(aq) + Ba(NO3)2(aq) (correct)
- NaCl(aq) + NaOH(aq)
- KNO3(aq) + NH4F(aq)
- HCl(aq) + Ca(OH)2(aq)
How many grams of water react to form 6.21 moles of Ca(OH)2?
How many grams of water react to form 6.21 moles of Ca(OH)2?
- 99.4 g of H2O
- 6.21 g of H2O
- 24.8 g of H2O
- 112 g of H2O (correct)
How many Li atoms are contained in 3.00 g of lithium (Li, atomic mass 6.94 g/mol)?
How many Li atoms are contained in 3.00 g of lithium (Li, atomic mass 6.94 g/mol)?
- 4.18 x 10^24 Li atoms (correct)
- 8.49 x 10^24 Li atoms
- 5.90 x 10^25 Li atoms
- 7.09 x 10^24 Li atoms
What is the empirical formula for C6H12O6?
What is the empirical formula for C6H12O6?
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Write a possible molecular formula for CH2O.
Write a possible molecular formula for CH2O.
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How many moles are there in 1.50 g of ethanol, C2H5OH?
How many moles are there in 1.50 g of ethanol, C2H5OH?
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What is the capacity of a water barrel in quarts?
What is the capacity of a water barrel in quarts?
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Which statement about saturated hydrocarbons is correct?
Which statement about saturated hydrocarbons is correct?
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What is the attractive force in nonpolar hydrocarbon molecules known as?
What is the attractive force in nonpolar hydrocarbon molecules known as?
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Which type of hydrocarbon contains triple bonds?
Which type of hydrocarbon contains triple bonds?
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What does the empirical formula represent?
What does the empirical formula represent?
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In the chemical reaction Bel2(aq) + CuSO4(aq) → BeSO4(aq) + Cu(s), what is the net ionic equation?
In the chemical reaction Bel2(aq) + CuSO4(aq) → BeSO4(aq) + Cu(s), what is the net ionic equation?
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