Question #1 Calculate the molarity of each solution

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Question #1 Calculate the molarity of each solution.

30.2 gg of KClKCl in 0.945 LL of solution

Express your answer using three significant figures.

58.3 gg of C2H6OC2H6O in 3.4 LL of solution

Express your answer using two significant figures.

33.2 mgmg of KIKI in 104 mLmL of solution

Express your answer using three significant figures.

Q#2 Determine the volume of 0.210 MM KOHKOH solution required to neutralize each sample of sulfuric acid. The neutralization reaction is:
H2SO4(aq)+2KOH(aq)→H2SO4(aq)+2KOH(aq)→ K2SO4(aq)+2H2O(l)

165 mLmL of 0.105 MM H2SO4H2SO4

Express your answer using three significant figures.

50 mLmL of 0.105 MM H2SO4H2SO4

Express your answer using two significant figures.

Q#3 Consider the reaction:

2K3PO4(aq)+3NiCl2(aq)→Ni3(PO4)2(s)+6KCl(aq)

What volume of 0.205 MM K3PO4K3PO4 solution is necessary to completely react with 130 mLmL of 0.0102 MM NiCl2NiCl2?

Express your answer to three significant figures.

Q#4 What is the temperature of 0.420 molmol of gas at a pressure of 1.2 atmatm and a volume of 11.8 LL ?

Express your answer using two significant figures.