Question

Thank you for your help!

1. If an ideal gas has a pressure of 9.239.23 atm, a temperature of 55.2855.28 °C, and a volume of 97.8997.89 L, how many moles of gas are in the sample? Moles:

2.The balanced equation for the neutralization reaction of aqueous H2SO4H2SO4 with aqueous KOHKOH is shown.

H2SO4(aq)+2KOH(aq)⟶2H2O(l)+K2SO4(aq)H2SO4(aq)+2KOH(aq)⟶2H2O(l)+K2SO4(aq)

What volume of 0.4100.410 M KOHKOH is needed to react completely with 15.315.3 mL of 0.1700.170 M H2SO4H2SO4?

volume:____ mL

3.How many grams of solute are present in 755755 mL of 0.1700.170 M KBr?

4. Complete and balance the precipitation reaction. Include physical states. Refer to the solubilities of common salts as needed.

precipitation reaction:CuCl2(aq) +Na2CO3(AQ) (arrow) ______

5. Write the ground state electron configuration of B using the noble-gas shorthand notation

6. Sodium hydroxide is extremely soluble in water. At a certain temperature, a saturated solution contains 547547 g of NaOH(s)NaOH(s) per liter of solution. Calculate the molarity of this saturated NaOH(aq)NaOH(aq) solution. concentration:___M