ch row of the table below describes an aqueous solution at 25 °C. e second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. e fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. solution initial components A B C D H₂O, KOH H₂O H₂O, KOH H₂O initial type (check all that apply) acidic basic neutral acidic basic neutral acidic basic neutral acidic basic neutral change add KNO3 add NaBr add HNO3 add NaOH effect of change on pH (check one) pH higher O pH lower pH the same pH higher pH lower O pH the same pH higher O pH lower pH the same O pH higher pH lower O pH the same

What 4 primary standards can be used to standardize acid solutions and their balanced reactions with HCL

Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. initial type solution initial components (check all that apply) change effect of change on pH (check one) acidic pH higher H₂O A basic add KNO3 pH lower neutral pH the same acidic pH higher B H₂O, NaOH basic add HClO4 pH lower neutral pH the same acidic pH higher C H₂O basic add KOH pH lower neutral pH the same acidic pH higher H₂O, NaOH basic add NaC104 pH lower neutral pH the same

Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. solution initial components initial type (check all that apply) change effect of change on pH (check one) acidic pH higher A H₂O basic add Nal pH lower neutral pH the same acidic pH higher B H₂O, KOH basic add H Br pH lower neutral pH the same acidic pH higher C H₂O basic add NaOH pH lower neutral pH the same acidic pH higher H2O, КОН basic add K Br pH lower neutral pH the same

Select all chemical species present in the solution. i Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation... SHOW MORE ✓ a b C d NH4Cl(s) H₂O(l) 4+ (aq) NH4+ Cl(aq)

For a certain acid pK = decimal places. pH = 0 4.49. Calculate the pH at which an aqueous solution of this acid would be 2.9% dissociated. Round your answer to 2 X 5

Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. alo initial type (check all that apply) effect of change on pH (check one) solution initial components change O acidic pH higher н,о, Кон A basic add H Cl pH lower O neutral O pH the same O acidic O pH higher В Н,0, КОН O basic add K CI O pH lower neutral O pH the same O acidic O pH higher H,0 O basic add Na ClO, O pH lower O neutral O pH the same O acidic O pH higher H,0 O basic add Na OH O pH lower O neutral O pH the same Explanation Check © 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility

At 25oC, it took 25.8 mL of a 0.200 M NaOH solution to completely neutralize 32.00 mL of an unknown, diprotic acid solution.  Determine the initial molarity of this unknown acid solution.

Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. solution initial components initial type (check all that apply) effect of change on pH change (check one) A H₂O 0 000 0 acidic pH higher basic neutral acidic add K C104 pH lower B 80 H₂O, H Br basic neutral add Na Br O O acidic C H₂O, H Br basic neutral add NaOH pH lower acidic pH the same pH higher D H₂O basic add KOH pH lower neutral pH the same pH higher pH lower pH the same pH higher pH the same