Determine the mass of lead chloride precipitated when 5g of sodium chloride solution reacts with lead trioxonitrate <v> the equation
2Nacl+pb<NO3>2NaNo3+pbcl2<pb=108, Na=23, O=16, N=14.
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Classify this reaction: 2al+n2-> aln.

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %