Chemistry!!! help please!!! and explain?

  • Thread starter Thread starter christieflower
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christieflower

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a.) how many cations are there in 20.0g of sodium phosphate?

b.) How many anions are there in 4.50g of magnesium bromide?

c.) what is the molar mass of brutane if 5.19x10^16 molecules of brutane weigh 5.00 micrograms?
 
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