In an experiment to determine the molar mass of an unknown solid acid, a student calculated the following results:   Trial # Molar mass (g/mol) 1 117.29 2 132.04 3 146.82 Average 132.05   The actual molar mass of the acid is 132.02 g/mol, therefore these results are:      accurate and precise      accurate but not precise      precise but not accurate      neither accurate nor precise      it is impossible to say with the given information

Microsoft O ift A chemist adds 340.0 mL of a 3.07 mol/L sodium nitrate (NaNO3) solution to a reaction flask. Calculate the mass in grams of sodium nitrate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. W O CHEMICAL REACTIONS Using molarity to find solute mass and solution volume 0 g Microsoft tab Microsoft 6.52.210... esc caps lock 2 ♦ Explanation ! 1 Q A T control option Z Check @ 2 W S #3 X H command x10 E X D NOV 14 $ 4 R S (of F 67 5⁰ % 5 C V T G átv MacBook Pro 6 Y e & 7 H Ⓒ2022 McGraw Hill LLC. All Rights Reserved. U B N 8 J M ( 9 K { 2/5 [ I command option + 11 ? | DOCX 77 } 6

O CHEMICAL REACTIONS Solving limiting reactant problems in solution Suppose 1.75 g of potassium nitrate is dissolved in 250. mL of a 48.0 m Maqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the potassium nitrate is dissolved in it. Be sure your answer has the correct number of significant digits. OM x10 3/5 X

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If 142.35 mL of 64.61 mM MgCl2 is mixed together with 164.59 mL of 208.37 mM AgNO3, determine the mass of the solid that forms. Report your answer in mg Round your answer to 1 decimal place

When solutions of silver nitrate and sodium chloride are mixed, silver chloride precipitates out of solution according to the equation AGNO3 (aq) + NaCI(aq)→AgCl(s) + NaNO3(aq) Part A What mass of silver chloride can be produced from 1.69 L of a 0.214 solution of silver nitrate? Express your answer with the appropriate units. • View Available Hint(s) ? mass of AgCl = Value Units Submit Part B The reaction described in Part A required 3.48 L of sodium chloride. What is the concentration of this sodium chloride solution? Express your answer with the appropriate units. • View Available Hint(s) HA ? Value Units Submit

Suppose 33.9g of zinc iodide is dissolved in 350.mL of a 0.50 M aqueous solution of potassium carbonate. Calculate the final molarity of zinc cation in the solution. You can assume the volume of the solution doesn't change when the zinc iodide is dissolved in it. Round your answer to 3 significant digits.

A volume of 30.2 mL of a 2.16 M KMnO4 solution is mixed with 12.7 mL of a 0.492 M KMnO4 solution. Calculate the concentration of the final solution. Assume the volumes are additive. Round your answer to 3 significant digits. M x

If the crucible originally weighs 3.715 g and 2.000 g of hydrate are added to it, what is the weight of the water that is lost if the final weight of the crucible and anhydrous salt is 5.072?  Do not include units and assume three decimal places for all numbers.  Remember to include the zero before the decimal if the number is less than one.

Use the References to access important values if needed for this question. If 21.2 grams of an aqueous solution of manganese(II) chloride, MnCl, contains 3.65 grams of manganese(II) chloride, what is the percentage by mass of manganese(II) chloride in the solution? % MnCl2 Submit Answer Retry Entire Group 9 more group attempts remaining Previous Nex Say Cengage Learning | Cengage Technical Support 100% 11 近