A Moving to another question will save this response. Question 31 Which of the following solutions has the greatest number of sodium ion (Na)? 200.0 mL of 0.10 M Na2CO3. 200.0 mL of 0.10 M NaCl. 200.0 mL of 0.10 M NazPO4. none 200.0 mL of 0.10 M NaɔSO4 A Moving to another question will save this response. P Type here to search hp 17 18 f5 f6 f4 IOI f2 f3 ?. & 7 2. 3. 4. 6. 96 %24 %23

A Moving to another question will save this response. Question 31 Which of the following solutions has the greatest number of sodium ion (Na)? 200.0 mL of 0.10 M Na2CO3. 200.0 mL of 0.10 M NaCl. 200.0 mL of 0.10 M NazPO4. none 200.0 mL of 0.10 M NaɔSO4 A Moving to another question will save this response. P Type here to search hp 17 18 f5 f6 f4 IOI f2 f3 ?. & 7 2. 3. 4. 6. 96 %24 %23

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In your first task, you are required to prepare a 100 mL solution of sodium bicarbonate at a concentration of 0.50 M. Complete the following table and calculate the mass of sodium bicarbonate needed to prepare this solution. Molecular weight of sodium bicarbonate Required final concentration Required final volume Amount of sodium bicarbonate needed to make 1 L at 0.5 M Amount of sodium bicarbonate needed to make 100 mL at 0.5 M Mass (g) = Amount (mol) × Molecular Weight (g/mol) Value 84.01 Now that you know the amount of sodium bicarbonate in mol needed to make your solution, you can convert this value into the mass by using the molecular weight of the compound. The following equation may be helpful: Mass of sodium bicarbonate needed to make 100 mL at 0.5 M Units g/mol M (mol/L) L mol mol g In the 100 mL 0.5 M solution, how many molecules of sodium bicarbonate have been added. Hint - In 1 mole there are 6.022 × 10²³ molecules.
Previous Page 8 of 9 Next 2 C W S 12 How many mL of 0.609 M HNO3 are needed to dissolve 7.07 g of CaCO3? CHAPTER 4-STOICHIOMETRY: QUANTITATIVE INFORMATION ABOUT CHEMICAL 3 S tv N E D S L 54 all ZAO S R LL W Document3.docx % 5 C Use the References to access important values if needed for this question. T C G 2HNO3(aq) + CaCO3(s) Ca(NO3)2(aq) + H₂O(l) + CO₂(g) W C ● FOCUPSIA PYOerenc IL.OMNI Wenarchive V6 References Y am MacBook Pro H C Online t... 7 U mL Oct 10. 2022 at 6:04 AM O AUD 25 7117Z ALIU.54 AMM 9
can you help me and line it exactly like this because i keep doing it and its says its wrong
1. What percent solution if 11.2 g of Na2SO4 is dissolve to make 112 g of solution? Answer to 2 decimal place 2. The concentration of sugar in a soft drink is measured to be 8.60%. How many grams of sugar are in 268 g of the drink? Answer to 1 decimal place 3. If you have 3.40 g of NaOH solid, what mass of solution can be made to 0.32 % concentration? Answer to 1 decimal place 4. What mass of KF is need to prepare 440 mL of 0.12 M solution? Answer to 2 decimal places. Include the unit. 5. The concentration of sugar in a soft drink is measured to be 9.2 %. How many grams of sugar are in 196 g of the drink? Answer to 1 decimal place 6. What mass of KNO3 is need to prepare 626 mL of 0.24 M solution? Answer to 2 decimal places. Include the unit. 7. What is the molarity if 886 g of (NH4)2CO3 to make 1,716 mL of solution? Answer to 2 decimal places. Answer to 2 decimal places.
A solution has a concentration of 0.72M KBr and a volume of 0.020 L. It is then diluted to a concentration of 0.24 M. What is the new volume? Select the correct answer below: 0.060 L 0.0070 L 0.020 L 0.10 L
How many milliliters of 0.105 M HCl are needed to completely neutralize 40.0 mL of 0.108 M Ba(OH)2 solution? Express the volume in milliliters to three significant digits. V = %3D mL Submit Request Answer
52 . Calculate the number of moles and the mass of the solute in each of the following solutions: (b) 75.0 mL of 2.2 ×× 10−5 M H2SO4, a sample of acid rain
2.000 g TUMS tablet (CaCO3 and Binder) was analyzed in a lab. 11.42 mL of 0.871 M HCI was needed to dissolve the CaCO3 (active ingredient) of TUMS Tablet. Find the mass and % by mass of CaCO3 in TUMS Tablets. ( 459.00 mg O 75% 50% 605.00 mg 30% O 25% O 400.00 mg O 500,00 mg
A 4.00 M solution of H3PO4 will contain ____ g of H3PO4 in 0.500 L of solution.
How many milliliters of 0.400 M solution can be prepared by dissolving 5.00 g of NaBr in water? __________mL
A Moving to another question will save this response. uestion 4 What mass of NaCl is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/Liter O 1.17 g O 1170 g O 1.00 g O 0.0200 g 2930 g Moving to another question will save this response. NOV étv
Calculate the volume of a 1.6M solution of HCN made from 45.0 grams of HCN?