# Problem: The tungsten metal used for filaments in light bulbs is made by reaction of tungsten trioxide with hydrogen: WO3 (s) + 3H2 (g) → W(s) + 3H2O(g) How many grams of tungsten trioxide must you start with to prepare 1.30 g of tungsten? (For WO3, MW = 231.8 amu.) How many grams of hydrogen must you start with to prepare 1.30 g of tungsten?

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96% (152 ratings)
###### FREE Expert Solution

96% (152 ratings)
###### Problem Details

The tungsten metal used for filaments in light bulbs is made by reaction of tungsten trioxide with hydrogen:

WO3 (s) + 3H2 (g) → W(s) + 3H2O(g)

How many grams of tungsten trioxide must you start with to prepare 1.30 g of tungsten? (For WO3, MW = 231.8 amu.)

How many grams of hydrogen must you start with to prepare 1.30 g of tungsten?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Stoichiometry concept. You can view video lessons to learn Stoichiometry. Or if you need more Stoichiometry practice, you can also practice Stoichiometry practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofThe tungsten metal used for filaments in light bulbs is made...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Kummel's class at UCSD.