How many moles of naoh are present in 555 g of the compound


How many moles of NaOH are present in 55.5 g of the compound? Express your answer to 3 significant figures?

How many moles of CCl4 are present in 18.3 g of the compound? Express your answer to 3 significant figures?

What is the mass (in grams) of one molecule of N2O4? Express your answer using scientific notation with two decimal places.  

Example: 1.34 x 10-2 should be expressed as 1.34e-2

How many oxygen atoms are in 8.10 g of Al2(SO4)3? Express your answer using scientific notation with two decimal places. 

Example: 1.31 x 10-2 should be expressed as 1.31e-2.

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Chemistry: How many moles of naoh are present in 555 g of the compound
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