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- What mass of CaCO3 would be needed to neutralize 5.45 mL of 7.979 M HCl? (Molar mass of CaCO3 is 100.09 g/mol) Report your answer with two decimals. Enter numbers only; do not enter units.Use the following information to answer the next four questions.Hydroiodic acid often is used to disinfect and sanitize medical tools and products. In an experiment, 5.0 mL of 0.75 mol/L HI(aq) is mixed with 20.0 mL of distilled water. If 1.0 mL of the diluted solution from #20 is added to 9.0 mL of distilled water, you should be able to predict the pH based on the trend you see and without doing any calculations. This is because every time the hydronium concentration increases or decreases by a factor of 10, the pH goes up one full unit since the solution becomes more or less acidic. 2)Hydrochloric acid is used for removing rust from iron or steel before it is processed for other uses. 5.18 g of HCl(g) is dissolved in water to make a 217 mL solution. Calculate the pH of the resulting solution. Record only your final answer with the correct number of significant digits.If 5.00 mols of NaOH are dissolved in 50.0 L of water, what is the final concentration of NaOH in mol/L?
- You are asked to dilute 10.0 mL of 12.0 M HCl with enough water to make a 1.09 solution. How much water is added for the dilution? Answer in mL to one decimal place.If 0.248 g of oxalic acid dihydrate requites 28.4 mL of NaOH for neutralization, what is the molarity of NaOH solution?What is the molarity of HCl if 50.0 ml of the HCl solution dissolved 1.23 g of PbCO3 ?
- Calculate the molarity of a NaOH solution if 28.05 mL of NaOH is titrated with 0.575 grams of KHP and 1.00 mL of 0.140 M HCl is required. Your Answer: 0.100 Answer M unitsIf 45.3 mLmL of 0.110 MM HClHCl solution is needed to neutralize a solution of KOHKOH, how many grams of KOHKOH must be present in the solution?How many ml of 15% hydrochloric (HCl) acid solution must be mixed with a 5% hydrochloric (HCl) acid solution to obtain 100 ml of an 8% hydrochloric acid solution?