luluzzz
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can someone tell me how to do this, please? I know it is really easy cuz I did this question before but now I forgot how I did it I've got a memory like a goldfish!!

A mixture of sodium bromide and sodium sulfate is known to contain 10 moles of sodium and 4 moles of bromide ions.

How many moles of sulfate ions are present?

A 3
B 4
C 5
D 6

Thanks!!!
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Kayleejarv24
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(Original post by luluzzz)
can someone tell me how to do this, please? I know it is really easy cuz I did this question before but now I forgot how I did it I've got a memory like a goldfish!!

A mixture of sodium bromide and sodium sulfate is known to contain 10 moles of sodium and 4 moles of bromide ions.

How many moles of sulfate ions are present?

A 3
B 4
C 5
D 6

Thanks!!!
Not 100% but I think it’s 5
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