The chemical equation below shows the reaction between tin (sn) and hydrogen fluoride (hf). sn + 2hf snf2 + h2 the molar mass of hf is 20.01 g/mol. how many moles of sn are required to react with 40 g of hf? 1 2 3 4

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There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.