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what is the coefficient of the scientific notation answer for the pH of a solution made...
USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION
Determine the molar (M) concentration of a solution made by dissolving 7.714E1 g of CaCl2 in sufficient water to make 250.0 mL of solution. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 105) Numeric Answer: Determine the number of grams of potassium permanganate present in 5.25E1 mL of a 0.250 M KMnO4(aq) solution. 0 Respond with the...
plz provid hour answer in decimal form not in Scientific
notation
thanks
A 10.0 mL sample of saturated calcium hydroxide solution is titrated using 0.0071 mol/L EDTA. To reach the titration endpoint, 32.87 mL of EDTA is required. Based on this data, determine Ksp of calcium hydroxide at the temperature of the experiment. Provide your answer in decimal form (not in scientific notation!) with the correct number of significant figures.
1) A 8.65 ⋅ 10-3 M solution of HClO4 is made. -What is the pH of this solution? -What is the pOH of this solution? -What is the [OH-] in the solution? Record this answer in scientific notation using 3 sig figs. 2)A 4.23⋅10-2 M solution of NaOH is made. -What is the pOH of this solution? -What is the pH of this solution? -What is the [H+] in the solution? Record this answer in scientific notation using 3 sig...
What is the resulting pH of a solution made by mixing 10.0 mL of an HCl(aq) solution having a pH of 2.00 with 10.0 mL of an HCl(aq) solution having a pH of 6.00? Numeric Answer: Unanswered • 2 attempts left Submit Calculate the pOH of a 7.0E0 M NACH3CO2 (aq) solution. The Ke of acetic acid is 1.8x10-5. 0 Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimal e.g....
Experiment 12 Determination of Solution pH 101 b) [H] is (scientific notation) (decimal notation) c) (OH) is (scientific notation). d) Is the solution acidic or basic? 8. The pH of an aqueous solution is 12. a) The pOH of this solution is – b) (H') is_ (scientific notation) c) (OH) is (scientific notation) (decimal notation) d) Is the solution acidic or basic? 9. The pOH of an aqueous solution is 3. a) The pH of this solution is b) [H']...
What is the \(\mathrm{pH}\) of a solution made by dissolving \(5.36\) grams of calcium fluoride in enough water to make \(680 \mathrm{~mL}\) of solution? The \(\mathrm{K}_{\mathrm{a}}\) forHF is \(6.8 \times 10^{-4}\)
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution. Hint given in feedback. The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water...
7.(3) What is the pH of a solution prepared by diluting 250.0 mL of 0.045M Sr(OH)2 with enough water to produce a total volume of 625.0 mL?
What is the hydrogen ion, H1+, concentration in a 0.00046 M HBr solution? Answer to 4 decimal places and be sure to include your units. What is the hydroxide, OH1-, concentration in a 0.00046 M HBr solution? Put your answer in scientific notation (i.e 3.0 x 10-3 put 3.0E-3) and include your units. What is the pH of a 0.00046 M HBr solution? Answer to 2 decimal places. What is the hydroxide ion, OH1-, concentration in a 0.0013 M Ca(OH)2...
What is the pH of a solution made by dissolving 4.61 grams of calcium fluoride in enough water to make 670 mL of solution. The K, for HF is 6.8x10-4