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1) What is the volume of a 1.20 M HNO3 (aq) solution that contains 0.0420 moles...

1) What is the volume of a 1.20 M HNO3 (aq) solution that contains 0.0420 moles of HNO3 ?

2) What is the volume (in mL) of a 0.125 M Ba(ClO4)2 solution that is needed, to completely react with 20.00 mL of 0.250 M K3PO4 solution according to the reaction below ?

3 Ba(ClO4)2(aq) + 2 K3PO4(aq) → Ba3(PO4)2(s) + 6 KClO4(aq)

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Answer #1

CaN)aN) (4) Molarity- G晌.noof.rnoleg v (ut) 12035 们2- 0-12 5x VI 0:250×20 2 = 2- 2x 0-125

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