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☆☆☆☆☆Cards in this guide (10)
If 60.2 grams of Hg combines completely with 24.0 grams of Br to form a compound what is the percent composition of Hg in the compound
71.5 %
What information is needed to calculate the percent composition of a compound
The formula of the compound and the atomic mass of its elements.
What is the average mass of a boron atom
10.3224 g/mol
Does a skeleton equation show the correct formulas of the reactants and products
A skeleton equation has all the correct reactants and products but it does not have the coefficients that indicate the stoichiometric proportions.
What does the molar mass of C7H16 and the molar mass of CaCO3 have the same number of
342.3
What is the charge of iron ion in the ionic compound ScCl3
There is no iron ion in SCl3. The charge on the scandium ion is 3+.
What net ionic equation describes the reaction when these solutions are mixed
The net ionic equation that describes the reaction when these solutions are mixed is the net summation. This is the net ionic equation for the chemical reaction.
What is the percent composition composition of chromium in BaCrO4
20.5%
Which combination of temperature and pressure correctly describes standard temperature and pressure or STP
0°C and 101 kPa
A Sample of a compound contains 64 g of copper and 16 g of oxygen what is the ratio of mass to copper of oxygen
?
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