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What is the structural formula and the molecular of CH3CH2CH3 and CH3CH3?
What does “the epicentre of octet rule” mean?
What is the difference between Acidic oxides and Basic oxides?
A sample of acetic acid has a hydrogen ion concentration of 7.5 x 10-3 M. Calculate the pH of this acid.
Give the formulas for burning magnesium in air, magnesium reacting in water and
magnesium reacting with carbon dioxide.
Balanced this equation Na3PO4 + CaCl2 → Ca3(PO4)2 + NaCl (show all steps)
50.0g of ammonia reacted with 50.0g of carbon dioxide and 60.0g of urea was obtained.
Determine the percent yield for this reaction. Give the formula for the reaction and state
the limiting reagent.
What is the Molality of a solution containing 7.78g of Urea [(NH2)2CO2] in 203g of water?
What is the difference between Homogenous mixtures and Heterogenous mixtures?
Write the formula of the conjugate acid or base of the following substances.
Acids
1. HCl2. HCO3–
Base
