Acids and Bases
A PH of over 7
What is a Base
4.00 moles of Na
What is 4.00 moles of sodium?
This constant represents the number of particles in one mole.
What is 6.022 × 10²³?
If the crucible and tin weigh 76.20 g and the empty crucible weighs 74.14 g, this is the mass of the tin sample.
What is 2.06 grams?
This formula relates molarity, moles, and volume in liters.
What is M = moles ÷ liters?
An acid
What is a substance that donates H⁺ ions?
This is the number of moles of nitrogen gas produced when 4.00 moles of sodium azide decompose completely according to
2NaN₃ → 2Na + 3N₂.
What is 6.00 moles of N₂?
This is the number of molecules present in 0.195 moles of carbon dioxide.
What is 1.17 × 10²³ molecules?
If the oxide mass is 2.62 g and the tin mass was 2.06 g, this is the mass of oxygen that reacted.
What is 0.56 grams?
If 25.0 mL of HCl is neutralized by 20.0 mL of 0.100 M NaOH, this is the molarity of the HCl solution.
What is 0.0800 M?
Neutralization
What is a neutralization reaction?
At STP, this is the total volume of nitrogen gas formed when 4.00 moles of NaN₃ fully react.
What is 134.4 liters?
This is the total number of sodium atoms formed when 4.00 moles of sodium are produced.
What is 2.41 × 10²⁴ atoms?
If 0.0174 moles of tin react with 0.0350 moles of oxygen, this is the mole ratio of tin to oxygen.
What is 1 to 2?
This volume of 0.500 M KOH is required to neutralize 50.0 mL of 0.250 M HNO₃.
What is 25.0 mL?
the name of HCl(aq)
What is Hydrochloric acid
This is the total number of sodium atoms produced when 4.00 moles of NaN₃ decompose completely.
What is 2.41 × 10²⁴ atoms?
This law states that equal volumes of gases at the same temperature and pressure contain equal numbers of particles.
What is Avogadro’s Law?
Based on that mole ratio, this is the empirical formula of the compound formed.
What is SnO₂?
If 15.0 mL of a monoprotic acid requires 22.5 mL of 0.150 M LiOH to reach equivalence, this is the concentration of the acid.
What is 0.225 M?
the six strong acids
what is HCl, HBr, HI, HNO₃, HClO₄, H₂SO₄?
If the theoretical yield of sodium is 91.96 grams but 81.94 grams are collected, this is the percent yield.
What is 89.1 percent?
At STP, one mole of any gas occupies this volume.
What is 22.4 liters?
This is the percent composition of tin in SnO₂ (nearest tenth).
What is 78.8 percent?
This is what pH actually measures in a solution.
What is hydrogen ion concentration?