Mole Conversions
The number of particles in one mole of any substance.
What is 6.0x1023?
The most basic ratio of atoms in a chemical formula.
What is empirical formula?
The chemists version of a shaker when making standard solutions.
What is a volumetric flask?
The coefficients (including 1) that are needed to balance the following equation:
C2H4 + O2 ---> CO2 + H2O
What is 1,3,2,2
The mass of 0.25mol of Potassium Carbonate
What is 34.5g?
The empirical formula a compound with a percent composition of 15.8% Carbon and 84.2% Sulfur.
What is CS2?
The mass of NaOH needed to create a 250cm3 and 0.1M solution.
What is 1g?
The balanced equation for reaction between potassium carbonate and nitric acid to form carbon dioxide, potassium nitrate and water.
What is K2CO3 + 2HNO3 ---> 2KNO3 + H2O + CO2
This mass of Carbon can be found in a 25g sample of C12H22O11.
What is 10.526g?
The molecular formula of a compound with empirical formula CH4 and a molar mass of 112g/mol.
What is C7H28?
How many moles of sodium carbonate are present in 400 cm3 of 0.25M sodium carbonate solution?
What is 0.1moles?
Carbon monoxide reacts with oxygen to form carbon dioxide gas. What volume and mass of carbon monoxide is required to produce 4dm3 of carbon dioxide at STP?
What is 4dm3 and 5g?
The number of moles present in 200cm3 of a 0.1M solution
What is 0.02mol?
The empirical and molecular formula of a compound whose percent composition is 75.95% Carbon, 17.72% Nitrogen and 6.44% Hydrogen. The molar mass when synthesized is 240g/mol.
What is C5NH5 and C15N3H15?
The mass of 200cm3 a 0.1M solution of calcium chloride
What is 2.22g?
Calculate the mass and volume of Carbon Dioxide formed, at RTP, when 2.8g of Ethene (C2H4) burns in oxygen to form carbon dioxide and steam.
What is 8.8g and 4.8dm3?
The mass, volume and number of molecules in 2.5mol of ammonia at STP.
What is 42.5g, 56dm3 and 1.505x1024 molecules?
The empirical and molecular formula of Chrysotile asbestos, whose percent composition is 28.03% Magnesium, 21.60% Silicon, 1.16% Hydrogen and 49.21% Oxygen and the molar mass synthesized is 520.8g/mol.
What is Mg2SiH2O4 and Mg8Si4H8O16?
Calculate the mass concentration and molar concentration if 2.8g of potassium hydroxide is dissolved in distilled water to make up to 500cm3 of solution
What is 5.6g/L and 0.1M?
Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen. When 20cm3 of 1.5M hydrochloric acid was reacted with excess magnesium, what mass of magnesium chloride was produced?
What is 1.425g?