Respuesta :

Explanation:

To solve this question we use the following formula:

m = n*MM

m = mass

n = moles

MM = molar mass

MM of tin (II) bromide (SNBr2) is 278.5 g/mol

So:

m = 4.234 * 278.5

m = 1,179.2 g

Answer: m = 1,179.2 g

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