Find the gram formula mass
Find the gram formula mass of each compound.
a. Li2S
b. FeCl3
c. Ca(OHh
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Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up the resultant solution.
Acetylene gas is produced by adding water to calcium carbide. How many moles of cac2 can be formed from 98g of h20? How many grams of acetylene are produced by adding water to 5g of CaC2?
An unknown compound has the formula CxHyOz. You burn 0.220 g of the compound and isolate 0.312 g of CO2 and 0.191 g of H2O. What is the empirical formula of the compound? If the molar mass is 62.01 g/mol, what is the molecular formula?
How long would it take for 1.50mol of water at 100.0 degrees to be converted completely into steam if heat were added at a constant rate of 16.0J/s ? the constants are: Specific heat of ice: 2.09J(g/degrees celcius)
The density of benzene at 15 degrees C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
How many mL of a 0.136 M aqueous solution of aluminum bromide, AlBr3, must be taken to obtain 17.3 grams of the salt?
What is the molarity of Cl^- ions in a solution formed by dissolving 7.20 g of the mixture in enough water to form 500.0 mL of solution?
Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?
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