Solubility
Is Sodium chloride soluble or insoluble?
What is soluble
How many moles of sodium chloride (NaCl) are present in 250 mL of a 0.5 M solution?
What is 0.125 moles?
Which of the following substances is considered a strong acid?
a) HCl
b) CH₃COOH (acetic acid)
c) H₂CO₃ (carbonic acid)
d) H₃PO₄ (phosphoric acid)
What is HCl?
How many moles are in 14.6 g of NaCl? (Use atomic masses: Na = 22.99, Cl = 35.45)
0.250 mol NaCl (3 s.f.)
Determine the correct chemical formula for the compound formed between iron(III) and phosphate ions.
FePO4
Is Calcium Carbonate soluble or insoluble in water?
What is insoluble?
What is the molarity of a solution that contains 4 moles of potassium nitrate (KNO₃) in 2 liters of solution?
What are the 7 strong acids?
Hydrochloric acid (HCl)
Nitric acid (HNO₃)
Sulfuric acid (H₂SO₄)
Hydrobromic acid (HBr)
Hydroiodic acid (HI)
Perchloric acid (HClO₄)
Chloric acid (HClO₃)
When 10.0 g NaOH reacts with excess HCl it forms NaCl (1:1). If the NaCl formed is dissolved to make a 0.250 M solution, what volume of that solution (in liters) can be prepared?
1.00 L of 0.250 M NaCl solution.
Find the formula weight (molar mass) of calcium nitrate, Ca(NO3)2.
164.10 g/mol
Is Lead(II) nitrate soluble or insoluble in water?
What is Soluble?
When 200 mL of a 0.3 M solution of silver nitrate (AgNO₃) is mixed with 250 mL of a 0.2 M solution of potassium chloride (KCl), silver chloride (AgCl) precipitates out of solution. Calculate the mass of silver chloride (AgCl) precipitate formed.
AgNO3 (aq)+KCl(aq)→AgCl(s)+KNO3 (aq)
What is 7.17g of AgCl
What is the pH of a 0.01 M HCl solution?
What is 2?
Balanced reaction: FeCl3 + 3 NaOH → Fe(OH)3 + 3 NaCl
If 25.0 g FeCl3 is mixed with 0.500 L of 0.750 M NaOH, determine:
a) the limiting reagent, and b) the mass of NaCl produced.
Limiting reagent = NaOH; mass NaCl produced ≈ 21.9 g.
How many oxygen atoms are there in 3.8g of Oxygen gas?
1.43x1023 atoms
You mix solutions of the following compounds:
a) Silver nitrate (AgNO₃)
b) Sodium phosphate (Na₃PO₄)
Does a precipitate form and what is it?
What is Silver phosphate (AgPO4)?
When 100 mL of a 0.2 M solution of sodium sulfate (Na₂SO₄) is mixed with 150 mL of a 0.1 M solution of barium nitrate (Ba(NO₃)₂), barium sulfate (BaSO₄) precipitates out of solution. Calculate the mass of barium sulfate (BaSO₄) precipitate formed.
Na2 SO4 (aq)+Ba(NO3 )2 (aq)→BaSO4 (s)+2NaNO3 (aq)
What is 3.5g?
A solution of hydrochloric acid (HCl) is diluted from 0.5 M to 0.025 M. What is the pH of the diluted solution?
What is 1.60?
Balanced reaction: H2SO4 + 2 NaOH → Na2SO4 + 2 H2O
If 45.0 g NaOH reacts with 250.0 mL of 0.150 M H2SO4, find:
a) the limiting reagent, b) the moles of Na2SO4 produced, and c) the resulting molarity of Na2SO4 if the final solution volume is 500.0 mL.
Limiting reagent = H2SO4; moles Na2SO4 = 0.0375 mol; [Na2SO4] = 0.0750 M.
Balance the combustion of Nonane. (C9H20)
C₉H₂₀ + 14O₂ → 9CO₂ + 10H₂O
Consider the following reaction:
Ba(NO3)2(aq)+Na2SO4(aq)→ ?
Write out the net ionic equation and identify and precipitates.
What is Ba+SO4->BaSO4
How do you calculate the molarity of a solution made by dissolving 58.5 grams of NaCl in enough water to make a final volume of 1 liter?
What is 1M?
Calculate the pH of a 0.1 M NaOH solution.
What is 13?
Combustion: C7H16 + 11 O2 → 7 CO2 + 8 H2O
CO2 capture (absorption): CO2 + 2 NaOH → Na2CO3 + H2O
If 25.0 g C7H16 (heptane) is completely burned, how many liters of 0.250 M NaOH are required to absorb all produced CO2?
13.97 L of 0.250 M NaOH (≈ 14.0 L, 3 s.f.) required to absorb all CO₂.
A 25.0 mL sample of 0.200 M HCl is completely neutralized by 0.150 M NaOH. After neutralization, the resulting solution is diluted to a total volume of 100.0 mL. What is the pH of the final solution?
pH=7.00