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Determine the molar mass of Al(NO3)3 Enter the answer showing 2 decimal places.

Write the shorthand electron configuration (using noble gas core) for the element tin, Sn: Use the T2 function in the tool bar to show superscripts.

If a rectangular block of lead has the measurements of 5.78 cm long, 3.55 cm wide, and 2.22 cm thick.  If lead has a density of 11.3 g/cm3, then determine the mass of the lead block.   Show your math setup with answer.  An answer only will NOT receive full credit. You may choose to use the equation editor (  ).  Click on the three vertical dots to find it in the tool bar. Express answer using significant figure rules.

Select ALL the empirical formulas from the list:

How many protons, neutrons, and electrons are in an atom of bismuth-209?

Write the complete electron configuration for the element chromium, Cr: Use the T2 function in the tool bar to show superscripts.

A mixture of gases contains CO2 (at 0.642 atm), SO2 (at 88 mm Hg), and N2 (at 234 torr).  What is the total pressure of the gas mixture in atmospheres?

Write the name for H2SO4(aq) in the blank.

What is the correct formula for the ionic compound containing tin (IV) ion and carbonate ion?   Show the individual ions first with their charges.  To show superscripts, use the T2 function in the tool bar. Then show the formula for the ionic compound.  To show subscripts, use the drop down next to T2 in order to get to T2 function on the tool bar. 2 Ion formulas = 2 pts Compound formula = 1 pt

Write the name for HC2H3O2(aq) in the blank.