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Please show the proper calculation of the above answer how 17.72% as it creates a lot of confusion please show step by step calculation
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- < STARTING AMOUNT X A brine solution is 3.50% NaCl by mass. Given that its density is 1.071 g/mL , determine the quantity of liters of solution that contains 5.00 moles of NaCl 5.00 ADD FACTOR 0.1 *( ) 3.50 10 35.45 Question 29 of 33 1.071 0.01 8.03 x 1022 1000 100 ANSWER 7.80 22.99 0.0156 L solution g NaCl/mL g solution mL solution kg solution g NaCl/g solution 58.44 6.022 x 1023 0.0780 moles of NaCl mol NaCl RESET 0.001 2 1 g NaCl 1.56sity o... Fingsbo... ckboard... EARED4 Method? 7... 9 2 W 6 9 QUESTION 5 One mole of copper(II) sulfate, CuSO4, contains 2.41 x 1023 2.41 x 1024 6.02 x 1023 1.51 x 1023 4 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 3 16 MAF 1 23 H R T moles of O. tv Y 8 Save All Answers 8 0.22 SNote: Answer is not 4.076
- For questions #14-16, you should do your work on a separate piece of paper and then upload it. You should use the GUESS Method of solving for each problem. Also, you have a choice. You can complete both #14 & #15 which are single step question or do the extension problem which is a 2 step problem instead of 14 & 15. You must complete #16. Equations Q = mcAT Q = ±mLf Q = ±mLv Values for Water Clice) = 2.06 J/g°C C(water) = 4.186 J/g°C C(steam) = 1.87 J/g°C Lf (water) = 333 J/g Lv (water) = 2,260 J/g %3D G- S- U- E- S- #14. Calculate the energy required to heat 12.5 g of water from a temperature of 42.2°C to 52.3°C. #15. How much thermal energy is needed in order to turn 15.7 grams of water into ice? Extension: We start with 23.2 grams of ice at 0°C and add heat to the ice. The ice completely melts and then is heated until it reaches 45.3°C. How much energy is added in total? #16. 12.0 g of a metal absorbs 317 J when it is heated from 38.2°C to 82.7°C. What is the specific heat of the…when drawing melting point composition diagram for a mixture of something such as cinnamic acid and urea comparing melting point vs composition for organic chemistry, if i have three different compositions (1:4, 4:1,1:1) should i have 3 different graphs or would this all be on the same graph? and how do i convert grams to moles for example for composition 1:4 my data was 0.8003 g : 3.1917 g?A compound contains only Mn and F. The ratio of Mn and F is 1.73 moles of F per 1 mole of Mn. If the empirical formula is expressed as MnFx, what is the numerical value for x? If the formula is MnF5, you would enter the number 5. Please enter a whole number (i.e. round the number to the nearest whole number) and DO NOT include any units.
- A researcher has developed a new analytical method to determine the percent by mass iron in solids. To test the new method, the researcher purchases a standard reference material sample that is 2.85% iron by mass. Analysis of the iron standard returns values of 2.75%, 2.89%, 2.77%, 2.81%, and 2.87%. Are the results of the new method significantly different from the standard reference sample? (Hint: Use Confidence Interval)it is also not 0.25In the expression, 3CaBr2, O 3 is a subscript and 2 is a coefficient O 2 and 3 are subscripts O 2 is a subscript and 3 is a coefficient 2 and 3 are coefficients
- Why we don't have to divide ± 0.015 g?Answer the flow diagram to show the sequence of steps in a typical quantitative analysisA student conducted the Gravimetric Analysis of Phosphorus in Fertilizer experiment. The student used 2.00g of fertilizer and produced 1.43 g of product. Calculate the % of reported P(P2O5) in the fertilizer sample. Write answer to three significant figures. No units or % sign in answer.