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b) 100 cal (1 point) a) 50 cal 4) Calculate how many grams are contained in...
How many grams of NaOH are contained in 5.0 × 102 mL of a 0.66 M...
How many grams of NaOH are contained in 5.0 × 102 mL of a 0.66 M sodium hydroxide solution? 13 g 330 g 66 g 0.33 g 26 g
How many grams of NaOH is needed to prepare 2 liters of 0.50 molar NaOH solution?...
How many grams of NaOH is needed to prepare 2 liters of 0.50 molar NaOH solution? a. 20.0 g c. 80.0 g b. 40.0 g d. 120.0 g
1. How many moles are contained in 2.50 grams of benzoic acid? Molar mass of benzoic...
1. How many moles are contained in 2.50 grams of benzoic acid? Molar mass of benzoic acid: 122.12 g/mol 2. How many mL are in 0.5 grams of cyclohexene? Density of cyclohexene is 0.809 g/ml 3. How many moles are in 250 mL of 2 M sodium hydroxide? 4. If 5.0 mL of 2-methyl-2-butanol are allowed to react with an excess of concentrated hydrochloric acid, what is the maximum mass of 2-chloro-2-methylbutane that can be obtained? 5. An acid-catalyzed dehydration...
Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are...
Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are required to produce 5.0 moles of NaOH, sodium hydroxide? b) How many moles of H2 are produced in the reaction with 5.0 grams of water? 2. Sn + 2HF → SnF2 +H; a). How many grams of SnF2 are produced from the reaction of 30.0 g of HF? b) How many moles of HF will be needed to react with 10 moles of Sn?
1. How many liters of 3.4 M HI will be required to reach the equivalence point...
1. How many liters of 3.4 M HI will be required to reach the equivalence point with 2.1 L of 2.0 M KOH? 2. How many liters of 1.75 M HCl will be required to reach the equivalence point with 1.25 L of 2.5 M KOH 3. Titration reveals that 11.6 mL of 3.0 M sulfuric acid is required to neutralize the sodium hydroxide in 25.00 mL of NaOH solution. What is the molarity of the NaOH solution? 4. Titration...
1.) How many grams of carbon are in 20.0 grams of CH4? a. 18.46g b. 8.00g...
1.) How many grams of carbon are in 20.0 grams of CH4? a. 18.46g b. 8.00g c.14.98g d. 4.00g 2. How many particles are present in 2 moles of water molecules? a.18.015 g per mole b.1.204 x 1024 particles c.36.03 g per mole d.36.03amu
1) How many moles of water, H2O, contain 2.0×1022 molecules of water? Express the quantity in...
1) How many moles of water, H2O, contain 2.0×1022 molecules of water? Express the quantity in moles to two significant figures. Moles of water = ___________ mol 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 140 g of chlorine gas. Express the quantity in moles to three significant figures. Moles of chlorine gas = ___________ mol 3) Sodium hydroxide, NaOH, is a strong...
7. Calculate the molarity of the following: a) 2.0 mole HCl in 1.0L. b) 80.0 g...
7. Calculate the molarity of the following: a) 2.0 mole HCl in 1.0L. b) 80.0 g NaOH in 4.0 L. c) 10.0 mole glucose in 2.0 L. 8.Calculate the volume needed of each solutions a) 10.0 moles of Mg(OH), of a 2.0M Mg(OH), solution. b) 0.5 mole of glucose of a 5.0M solution. c) 4.0 g NaOH of a 1.0M solution 9. What is the percent by mass of 75 g KBr dissolved in 575 g water? 10. What is...
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in...
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in 75 grams of K2COs? 2. How many moles of each atom are there in 5 moles of Cus(PO)2 3. How many molecules of dinitrogen tetroxide (N204) are there in 80 g of N204? 4. How many grams does one molecule of carbon dioxide (CO2) weigh? The balanced equation for production of carbon dioxide is C(s) + Oz(g) → CO2(g). How many grams of CO2are...
Find the molarity of the following solutions: Molarity - mole/Liters 1 liter = 1000 ml pter...
Find the molarity of the following solutions: Molarity - mole/Liters 1 liter = 1000 ml pter 1) 2.5 moles of NaCl is dissolved to make 0.050 liters of solution. 2) 3.0 moles of AgCl is dissolved in enough water to make a 2.0 liter solution 3) 4.2 moles of lithium fluoride are dissolved in 2 liters of solution. 4) 18 grams of hydrochloric acid, HCl is dissolved to make 1 liter of solution. Stoichiometry 1. 2Na+2H,0 ® 2NaOH+H, a). How...
Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are required to produce 5.0 moles of NaOH, sodium hydroxide? b) How many moles of H2 are produced in the reaction with 5.0 grams of water? 2. Sn + 2HF → SnF2 +H; a). How many grams of SnF2 are produced from the reaction of 30.0 g of HF? b) How many moles of HF will be needed to react with 10 moles of Sn?
7. Calculate the molarity of the following: a) 2.0 mole HCl in 1.0L. b) 80.0 g NaOH in 4.0 L. c) 10.0 mole glucose in 2.0 L. 8.Calculate the volume needed of each solutions a) 10.0 moles of Mg(OH), of a 2.0M Mg(OH), solution. b) 0.5 mole of glucose of a 5.0M solution. c) 4.0 g NaOH of a 1.0M solution 9. What is the percent by mass of 75 g KBr dissolved in 575 g water? 10. What is...
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in 75 grams of K2COs? 2. How many moles of each atom are there in 5 moles of Cus(PO)2 3. How many molecules of dinitrogen tetroxide (N204) are there in 80 g of N204? 4. How many grams does one molecule of carbon dioxide (CO2) weigh? The balanced equation for production of carbon dioxide is C(s) + Oz(g) → CO2(g). How many grams of CO2are...
Find the molarity of the following solutions: Molarity - mole/Liters 1 liter = 1000 ml pter 1) 2.5 moles of NaCl is dissolved to make 0.050 liters of solution. 2) 3.0 moles of AgCl is dissolved in enough water to make a 2.0 liter solution 3) 4.2 moles of lithium fluoride are dissolved in 2 liters of solution. 4) 18 grams of hydrochloric acid, HCl is dissolved to make 1 liter of solution. Stoichiometry 1. 2Na+2H,0 ® 2NaOH+H, a). How...
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