1)Enter a whole number (e. 10 ). A compound that contains

1)Enter a whole number (e. 10 ). A compound that contains

1)Enter a whole number (e.g. 10).
A compound that contains 27.0% S, 13.4% O, and 59.6% Cl by mass.
Its empirical formula contains  ___ S atom(s),  ____  O atom(s) and ____  Cl atoms.
2) 
Nitrogen dioxide is a reddish-brown, toxic gas.  What is the mass of 9.44 x 1024 molecules of nitrogen dioxide?  Enter a number, without units, in the blank space provided.
____ g
3) 
If the percent yield for the following reaction is 65.0%, how many grams of KClO3 are needed to produce 42.0 g of O2?
2 KClO3(s) → 2 KCl(s)+ 3 O2(g)
_____ g

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