Calculate the value of the following in exponential form, using standard scientific or "e" notation (for example, 105 = 1.05e2)
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...
State the number in scientific notation and write the number of significant figures in each of the following numbers. Explain your answer. 1. a. 37.60 b. 0.0130 c. 13000 d. 1.2300 Perform the indicated operations to the correct number of significant figures using the rules for significant figures 2. a. 37.60 x 1.23 b. 6.7/8.975- c. 3.765+1.2+37.21 To get credit, specify the rule you used to round your results 3. Three students make measurements (in m) of the length of...
Calculate [HO] for a solution of pH 4.3. Use "E" for scientific notation. Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimale.g. 2.5e5 for 25x1 Type your response
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.
answer with two sig figs scientific notation QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...
please do all the questions, thank you 2. Write the following numbers in Scientific Notation in Standard Form (one digit to the left of the decimal): a) 0.0020036 b) 345.0 c) 0,00675x10 d) 456.0x10 3. Solve (Answer should have correct number of significant figures, and be in Standard Form): 3.00x10" 6,0x10 b) 2.00x10" (5.0x10)- e) (16.0x10) - d) 0.01 + 3 + 4573 +0.1 - e) 6,0x10'+2.3x10'+4,002x10 - You may use a calculator from this point on! 4. Use your...
(a) Write the following numbers in scientific notation using E-notation. Example: Enter 1.20E-4 for 1.20×10-4 Write each number to two decimal places with one non-zero digit before the decimal point. Example: Use 1.20E-4 NOT 0.120E-3 or 12.0E-5 (i) 80600 (ii) 0.0200 (b) Write the following numbers in standard notation. Do not include a decimal point for numbers greater than 1. Include a zero before the decimal point for numbers less than 1. (i) 8.16×103 (ii) 3.50×10-4
Calculations You must show your work, report your answer in using the correct scientific notation, and use the appropriate number of significant figures. 11. (6 pts.) Perform the following conversions: a. 6.52 grams (g) of CH4 to moles of CHA: b. 2.56 mole of CH4 to molecules of CHA: c. 3.65 x 1022 molecules of CH4 to grams (g) of CHA
Calculate the mass in grams of 42.1 mol of copper(I) sulfate. Enter your answer in scientific notation with the correct number of significant figures.
Using standard potentials given in the appendices, calculate the standard cell potentials for the following reaction: Cu(s) +2Ag (aq)Cu2+ 2Ag(s) Report the answer in volts with three significant figures 0.442 Previous Answers Request Answer Submit X Incorrect; Try Again; 3 attempts remaining Review your calculations; you may have made a rounding error or used the wrong number of significant figures. Part B Determine the equilibrium constant for the above reaction Report to 1 significant figure and using scientific notation 9.1014