CHEMISTRY MAJOR HELP PLEASE

[From: ] [author: ] [Date: 12-05-17] [Hit: ]

2)45g of Magnesium Chloride is how many moles?45g of Magnesium Chloride is how many formula units?45 G of Magnesium Chloride is how man atoms of Chlorine?3) 3 *10^13 atoms of Magnesium has a mass of how many grams?Please help me in what ever!mol=atoms or molecules/6.......

1) how many grams of each element are in 2.8 moles of Magnesium Chloride?

Magnesium:

Chlorine:

2) 45g of Magnesium Chloride is how many moles?

45g of Magnesium Chloride is how many formula units?

45 G of Magnesium Chloride is how man atoms of Chlorine?

3) 3 *10^13 atoms of Magnesium has a mass of how many grams?

Please help me in what ever! you can please

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JUST USE THESE FORMULAS:

mol=grams/atomic weight
mol=atoms or molecules/6.022*10^23

1

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