The balanced equation for the neutralization reaction of aqueous H₂SO4 with aqueous KOH is shown. H₂SO4 (aq) + 2 KOH(aq) 2 H₂O(1) + K₂SO4 (aq) What volume of 0.420 M KOH is needed to react completely with 20.9 mL of 0.300 M H₂SO4? volume: mL

A 0.450 g sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq). The equation for the reaction is CaCO3(s) + 2HCl(aq) - CaCl2(aq) + H2O(l) + CO2(g) The excess HCl(aq) is titrated by 5.60 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CaCO3(s) in the sample. mass percentage:

The balanced equation for the neutralization reaction of aqueous H, SO, with aqueous KOH is shown. H,SO, (aq) + 2 KOH(aq) 2 H,O() + K,SO,(aq) What volume of 0.150 M KOH is needed to react completely with 11.2 mL of 0.300 M H, SO, ? volume: mL

A 15.0 mL of 0.500 M Ba(OH)2 is required to titrate a 10.0 mL of an unknown solution of HNO3, according to the following equation:       Ba(OH)2(aq) + 2HNO3(aq) → Ba(NO3)2(aq + 2H2O(l).  What is the concentration of the HNO3 solution?

Consider the following balanced chemical reaction: H2SO4 (aq) + 2 KOH (aq) ------------> K2SO4 (aq) + 2 H2O (l) What volume, in L, of 0.300 M KOH solution is required to completely react with 1.50 L of 0.400 M H2SO4 solution?

How many moles of NaOH are there if the mass of KHP is 1.253g?

Calculate the molar concentration HCl when 250 mL of 0.10 M HCl is mixed with 150 mL of 0.10 M NaOH in a beaker.                    HCl (aq)  + NaOH (aq)   →    NaCl (aq)   + H2O (l)

4.208 g of potassium hydroxide (KOH) is dissolved in 100 mL of water. What volume (in mL) of a 0.500 M phosphoric acid (H3PO4) solution would be required to exactly neutralize the KOH solution? 3KOH(aq) + H3PO4(aq) --> 3H2O(I) + K3PO4(aq)

A sample of a chloride salt weighing 484.6 mg is titrated with AgNO3 using K2CrO4 as indicator. To reach the end point a 52.3 mL of 0.1475 M of AgNO3 solution is required.    The net ionic equation for the reaction of titration is: Ag+ (aq) + Cℓ- (aq) → AgCℓ (s)    How many moles of Ag+ (aq) ions are used to reach the end point?    How many moles of Cℓ- (aq) have reacted in the titration?    How many grams of chloride are present in the sample?   What is the mass percent of chloride in the sample?

The balanced equation for the neutralization reaction of aqueous H, SO, with aqueous KOH is shown. H,SO, (aq) + 2 KОНаq) — 2Н,0) + K,SO,(aq) What volume of 0.150 M KOH is needed to react completely with 22.2 mL of 0.280 M H, SO,? volume: mL