From the indicated equation Zn +2 HCl → ZnCl2 + H2 if 7.56 moles of HCl are used with Zn, how many moles of the product H2 ZnCl2 would be formed?
A) 15.12 mol
B) 5.20 mol
C) 58 mol
D) 3.78 mol

The p sub shell can hold up to 8 electrons in an atom. true or false?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.