Step-by-step 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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