We have a 4 to 1 ratio of Vanillin to NaBH4 We need to use 2.50mmol of vanillin

Question

We have a 4 to 1 ratio of Vanillin to NaBH4 We need to use 2.50mmol of vanillin MW of Vanillin=152.2 MW of NaBH4=37.83 So the amount of Vanillin we will have to use is.380g but I need to know how muchNaBH4 I would have to use in thisreaction, with a ratio as stated above 4 to 1. I know the answer is .048g. But I don't understand how to getthis number. If someone could show step by step/ We have a 4 to 1 ratio of Vanillin to NaBH4 We need to use 2.50mmol of vanillin MW of Vanillin=152.2 MW of NaBH4=37.83 So the amount of Vanillin we will have to use is.380g but I need to know how muchNaBH4 I would have to use in thisreaction, with a ratio as stated above 4 to 1. I know the answer is .048g. But I don't understand how to getthis number. If someone could show step by step/

Explanation / Answer

2.50 mmol vanillin * ( 1 mmol NaBH4 / 4 mmol vanillin) *(1 mol /1000 mmol) *( 37.83 g NaBH4/ 1 mmol NaBH4) = 0.02364375 grams NaBH4 This is about half of your answer. Perhaps you need excess

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