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ml O2.02L QUESTION 15 Calculate the new molarity if 45.0 mL of 3.2 M HNO3 is...
10.0 mL of the aqeuous ammonium chloride solution from question 1 above is diluted by adding...
10.0 mL of the aqeuous ammonium chloride solution from question 1 above is diluted by adding 15.0 mL of distilled water. What is the new Molarity of this diluted solution? Give your answer to the correct number of significant figures. Type in only the numbers. Do not include the molarity unit (M or moles/L). Note: the answer will be a molarity less than 1. Make sure to type in the leading zero. For example, if your answer is 0.111, type...
Study Example 8.1 on page 321. Then, calculate the molarity of a solution made by adding...
Study Example 8.1 on page 321. Then, calculate the molarity of a solution made by adding 5.57 g of CaCl2 to enough water to create a solution with a total volume of 2.50 L. Enter only a numerical value in the correct number of significant figures. Use the Periodic Table that is part of your exam to calculate molar mass. Do not enter units in the answer box, but know that the symbol for the unit of this calculation is...
15 In an acid-base titration, the neutralization of 25.00 mL of a solution of KOH (potassium...
15 In an acid-base titration, the neutralization of 25.00 mL of a solution of KOH (potassium hydroxide) of unknown concentration required the addition of 22.60 mL of 0.1532 M HNO3 (nitric acid). Calculate the molarity of the potassium hydroxide solution Place your answer in the box. Express your answer using only a number or numbers without text. Report your result in decimal notation and to the proper number of significant figures. All numbers are measured,
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to...
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to make 1.20 L of solution. How many milliliters of this solution must be diluted with water in order to make 1.00 L of 0.100 M Ba(OH)2? 62.8 mL 254 mL O 305 ml O 523 mL O 393 mL O Question 2 (1 point) A chemist needs 225 mL of 2.3 M HCl. What volume of 12 M HCl must be dissolved in water...
A volume of 50.0 mL of a 0.690 M HNO3 solution is titrated with O.230 M...
A volume of 50.0 mL of a 0.690 M HNO3 solution is titrated with O.230 M KOH, Calculate the volume of KOH required to reach the equivalence point. Express your answer to three significant figures, and include the appropriate units. View Available Hint(s) ? Value Units Submit
Part A volume of 40.0 mL of a 0.820 M HNO3 solution is titrated with 0.390...
Part A volume of 40.0 mL of a 0.820 M HNO3 solution is titrated with 0.390 M KOH. Calculate the volume of KOH required to reach the equivalence point Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) Value Units Submit
Is anyone able to help me with these problems for my chemistry homework? Question 1 (2.5...
Is anyone able to help me with these problems for my
chemistry homework?
Question 1 (2.5 points) Given the following equation, how many grams of SiC (MW-40.10 g/mole) are produced from 12.243 g of SiO (MW = 60.09 g/mole)? Give answer in 4 significant figures with NO units Si02w+3 > SC + 2003) Question 2 (2.5 points) A stock solution is 6.00 M. How much of the stock solution in mL should you use to make 300.0 mL of a...
0.8 pts Question 5 Complete neutralization of 25.00 mL of 0.15 15 M H2SO4 solution requires...
0.8 pts Question 5 Complete neutralization of 25.00 mL of 0.15 15 M H2SO4 solution requires moles of KOH and forms grams H2O. (Hint: write the balanced equation first) (Report your answer with 4 significant figures. Do NOT express your answer in scientific notation) (Molar Mass H2O = 18.016 g/mol)
Not yet answered Points out of 2 Flag question Question text 11.3 grams of ammonium chloride...
Not yet answered Points out of 2 Flag question Question text 11.3 grams of ammonium chloride (NH4Cl) are dissolved in enough water to make 155 mL of solution. What is the resulting Molarity of the aqeuous solution? Give your answer to the correct number of significant figures. Type in only the numbers. Do not include the molarity unit (M or moles/L). Hint: you need to solve for the molar mass of ammonium chloride to do this calculation. Answer: Question 2...
Question 1 According to the following reaction, what mass of silver nitrate would be required to...
Question 1 According to the following reaction, what mass of silver nitrate would be required to react with 0.500 grams of potassium chloride? AgNO3 (aq) + KCl (aq) --> AgCl (s) + KNO3 (aq) options 2.68 g 0.500 g 85.0 g 170 g 1.14 g Question 2 Consider the reaction: Na2CO3 (aq)+ 2 HCl (aq) --> 2 NaCl (aq) + CO2 (g) + H2O (l) If 43.41 g of sodium carbonate react completely, how many grams of HCl will be...
Study Example 8.1 on page 321. Then, calculate the molarity of a solution made by adding 5.57 g of CaCl2 to enough water to create a solution with a total volume of 2.50 L. Enter only a numerical value in the correct number of significant figures. Use the Periodic Table that is part of your exam to calculate molar mass. Do not enter units in the answer box, but know that the symbol for the unit of this calculation is...
15 In an acid-base titration, the neutralization of 25.00 mL of a solution of KOH (potassium hydroxide) of unknown concentration required the addition of 22.60 mL of 0.1532 M HNO3 (nitric acid). Calculate the molarity of the potassium hydroxide solution Place your answer in the box. Express your answer using only a number or numbers without text. Report your result in decimal notation and to the proper number of significant figures. All numbers are measured,
Question 1 (1 point) A 52.30 g sample of Ba(OH)2 is dissolved in enough water to make 1.20 L of solution. How many milliliters of this solution must be diluted with water in order to make 1.00 L of 0.100 M Ba(OH)2? 62.8 mL 254 mL O 305 ml O 523 mL O 393 mL O Question 2 (1 point) A chemist needs 225 mL of 2.3 M HCl. What volume of 12 M HCl must be dissolved in water...
A volume of 50.0 mL of a 0.690 M HNO3 solution is titrated with O.230 M KOH, Calculate the volume of KOH required to reach the equivalence point. Express your answer to three significant figures, and include the appropriate units. View Available Hint(s) ? Value Units Submit
Part A volume of 40.0 mL of a 0.820 M HNO3 solution is titrated with 0.390 M KOH. Calculate the volume of KOH required to reach the equivalence point Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) Value Units Submit
Is anyone able to help me with these problems for my
chemistry homework?
Question 1 (2.5 points) Given the following equation, how many grams of SiC (MW-40.10 g/mole) are produced from 12.243 g of SiO (MW = 60.09 g/mole)? Give answer in 4 significant figures with NO units Si02w+3 > SC + 2003) Question 2 (2.5 points) A stock solution is 6.00 M. How much of the stock solution in mL should you use to make 300.0 mL of a...
0.8 pts Question 5 Complete neutralization of 25.00 mL of 0.15 15 M H2SO4 solution requires moles of KOH and forms grams H2O. (Hint: write the balanced equation first) (Report your answer with 4 significant figures. Do NOT express your answer in scientific notation) (Molar Mass H2O = 18.016 g/mol)
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