# Problem: The semiconductor gallium arsenide, GaAs, is used in highspeed integrated circuits, light-emitting diodes, and solar cells. Its density is 5.32 g/cm3. It can be made by reacting trimethylgallium, Ga(CH3)3, with arsine gas, AsH3. The other product of the reaction is methane, CH4.If you reacted 600 g of trimethylgallium with 400 g of arsine. Which reactant, if any, would be left over?

###### FREE Expert Solution

The balanced reaction is:

Ga(CH3)3 + AsH3 → GaAs + 3 CH4

From the reaction:

86% (111 ratings)
###### Problem Details

The semiconductor gallium arsenide, GaAs, is used in highspeed integrated circuits, light-emitting diodes, and solar cells. Its density is 5.32 g/cm3. It can be made by reacting trimethylgallium, Ga(CH3)3, with arsine gas, AsH3. The other product of the reaction is methane, CH4.

If you reacted 600 g of trimethylgallium with 400 g of arsine. Which reactant, if any, would be left over?

Frequently Asked Questions

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 Limiting Reagent concept. You can view video lessons to learn Limiting Reagent. Or if you need more Limiting Reagent practice, you can also practice Limiting Reagent practice problems.

What professor is this problem relevant for?

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