2023 ACJC H2 Chem Prelim P4 QP-12

Calculate the volume of NaOH used in each trial. Use sig figs.

How do you fill out this chart with this imformation? Please help with a step by step along with equations.

How do I calculate this?

Using their Ksp values, find the solubility of CaCO3, Ba3(PO4)2 and PbSO4 in Ksp(CaCO3) = 8.7 x 10-9 Ksp(Ba3(PO4)2 = 6 x 10-39        Ksp(PbSO4) = 1.3 x 10-8

3.

What is the literature value of the Ksp of Ca(OH)2 ?  How far off from this value was your value(s) (6.210 × 10-4 and 6.434 × 10-4 )?  List reasons why your values may be different from literature values.

3 E D 20 F3 [Review Topics] [References] Use the References to access important values if needed for th a. When 52.70 and 44.375 are divided, the answer should be based on 4 Enter the answer with the correct number of digits. 52.70 44.375= 1.188 An error has been détected in your answer. Check for typos, miscalculations etc. before submitting your answer. C b. When 44.375 is subtracted from 52.70, the answer should be based on 2 decimal place(s). Enter the answer with the correct number of digits. 52.70 44.375= 8.32 Submit Answer $ 4 888 R F Retry Entire Group V % 5 Cengage Learning Cengage Technical Support F5 T G 6 4 more group attempts remaining B MacBook Air F6 Y H & 7 F7 U N * 00 8 J DII FB - M ( 9 K F9 O ) [ V 1 F12 11 21 ? 1

Please don't provide handwriting solution

List all of the chemicals that could be measured in this lab (exclude intermediates) in a table like a example below

Analysis of pure molecules either heterogenous mixture or analysis of pure molecules neither heterogenous mixture nor analysis of pure molecules heterogenous mixture

5-7 please

What is the Ksp expression of the dissolution of Mg(OH)2 in water? O [Mg2*][OH"]? O [Mg2*][OH]?/[Mg(OH)2] O [Mg2*][OH]? + [Mg(OH)2] O [Mg2*1?[OH]

A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1). The student then diluted this solution by transferring 1 mL into a 25 mL flask and diluting with water (Solution 2). Finally, 1 mL of that solution was transferred to a test tube and combined with 4 mL Bradford reagent. The absorbance of the solution in the test tube was 0.144. Assuming that the best fit linear line of the standard curve was y=0.04144x+0.01521 (μgmL), calculate the percent protein by mass in the original protein powder.

1.) Which solutions should you have used to make your Beer's Law Plot? 2.) What property of the product of your reaction allowed you to use visible spectroscopy to analyze your results? 3.) Using your absorbance value from Equilibrium mixture 5 (E5), show your calculation for the concentration of FeSCN^2+ in sample E5. (Provided picture for the resources)

Given that Kb For ammonia is 1.8 x 105 and that For hydroxylamine is 1.1 x1D-8 A.What is the ha value For NHyt B. What is the ha value For N3 NO H

A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1). The student then diluted this solution by transferring 1 mL into a 25 mL flask and diluting with water (Solution 2). Finally, 1 mL of that solution was transferred to a test tube and combined with 4 mL Bradford reagent. The absorbance of the solution in the test tube was 0.11. Assuming that the best fit linear line of the standard curve was y = 0.04144 x + 0.01521 (μ g mL), calculate the percent protein by mass in the original protein powder.