What volume in L of (2.2x10^-1) M base will be added to (1.03x10^-3) L of (5.907x10^-1) M acid so that all the acid is consumed according to the following reaction: Acid + 3 Base --> Salt + 3 H₂O Report your answer in liters (L) Use the correct number of significant figures • Format the answer in scientific notation ● Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units

Use molecular-level drawings to show the difference between physical and chemical changes.

A chemist prepares a solution of copper(II) fluoride (CuF;) by measuring out 1.31 mg of copper(11) fluoride into a 50 mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/1. of the chemist's copper(II) fluoride solution. Be sure your answer has the correct number of significant digits. moll. OP

One of the Ionic compounds in sports drinks is potassium di hydrogen phosphate. The label on one of these sports drinks tells us that 240 mL of the solution contains 30 mg of potassium. KH2PO4 is the only ingredient that can provide potassium. how many grams of KH2PO4 are dissolved in 240 mL of the solution? What is the molars ty of KH2PO4 in this solution? Organize abs label your calculations so that they are presented in a logical manner for full credit

A chemist prepares a solution of silver nitrate (AgNO,) by measuring out 20. g of silver nitrate into a 450. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver nitrate solution. Round your answer to 2 significant digits.

O CHEMICAL REACTIONS Uusing molarity to find solute moles and solution volume A chemist adds 1.50 L of a 2.0M sodium nitrate (NaNO, solution to a reaction flask. Calculate the millimoles of sodium nitrate the chemist has added to the flask. Round your answer to 2 significant digits. ||mmol

mol aqueous A chemist must prepare 675. mL of 195. mM aqueous aluminum sulfate (Al, (SO,) ) working solution. He'll do this by pouring out some 0.889 aluminum sulfate stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the aluminum sulfate stock solution that the chemist should pour out. Round your answer to 3 significant digits.

A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands for a number the student is going to calculate.) Enter the units of the student's answer. mL kg = (0.42 1) ( 15 ) (1.4 +2+) (11.) - L) 品)( 3 -3 10 g 10 L x10 X H 00 S

One half tsp of table salt (NaCl) weighs aproximately 2.0 grams. (You will need to look up the molar mass for NaCl) There are approximately 237 ml in a cup. Determine the Molarity of the solution 1 cup water with one half tsp table salt. Determine the molarity of this solution using the formula M=g/MM/L. What is the molarity? Show your calculations. (Remember to convert 237 mL to L)

A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 7.3 umol of iron(III) bromide into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in umol/L of the chemist's iron(III) bromide solution. Be sure your answer has the correct number of significant digits. olo u mol L. Ar ?