Mathsisfun15
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Can someone do the working for it. I keep getting 122g
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Q18 2011 (1 Viewer)
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michaelhannigan
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No. moles HCl= 24.4/1000 x 0.1= no.moles NaX in 20mL sample ( includes 0.2 g NaX)
Therefore, Molar mass NaX= mass/no.moles= 0.2 x 1000/ 24.4 x 0.01 = 81.97... (A)
Therefore, Molar mass NaX= mass/no.moles= 0.2 x 1000/ 24.4 x 0.01 = 81.97... (A)
michaelhannigan
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Let me know if the answer is A though?
Mathsisfun15
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yeah it is. Thanks mate