12. A 10.0 g piece of pure aluminum is placed in 75.0 mL of 0.54 M hydrochloric acid at STP condition. They react as follows:

2Al + 6HCl → 3H_{2}(*g*) + 2AlCl_{3}

Calculate the following:

- Volume, in liters, of hydrogen gas.
*(5 points)*

- Molarity of Al
^{+3}. (Assume 75.0 mL solution.)*(5 points)*

- Molarity of Cl
^{-}. (Assume 75.0 mL solution.)*(5 points)*

### Recently Asked Questions

- In which type of contract is the incentive for the contractor to control costs very high, but the contractor is also forced to bear a great deal of risk? Fixed

- Analysis of Algorithms What is Theta notation for the following recurrence relation. Please provide detailed work. T(n) = 2T(n-1) + n

- Which method is best suited to comparing the net present values for two capital investment projects when the cash flows vary? Sensitivity analysis Life-cycle