Note that I assumed dissolving the 6 grams of salt did not appreciably affect the volume of the solution. When you prepare a molar solution, avoid this problem by adding solvent to your solute to reach a specific volume. How to Calculate Molality of a Solution Molalityis used to express the...
What is the total molar concentration of ions in a solution prepared by mixing 100.0 mL of 2.0 M KCl with 50.0 mL of 1.50 M CaCl_2 and 350 mL of water? Find the mass of sodium formate that must be dissolved in 150.0 cm^3 of a...
How many grams of NaCl (molecular weight=58.5g/mol would you dissolve in water to make a 50mM NaCl solution with 500mL final volume? What is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters of solution? How would you prepare 800 mL of 0.7% SDS...
How many moles of Cl are present in 100 mg of CaCl_2? How many moles of calcium chloride would be necessary to prepare 94.0 grams of calcium phosphate? 3CaCl2(aq) + 2Na3PO4(aq) arrow Ca3(PO4)2(s) + 6NaCl(aq) How many grams of the compound are present in 3.28 mo...
How many grams of I2 should be added to 750 grams of CCl4 to prepare a 0.020 m solution? Molality: Molality is a parameter of solutions or homogenous substances. This pertains to the concentration of a substance in a solution, which is expressed as the number of mo...
Calculate how much glucose is needed to make 500 mL of a 5% glucose solution. Solutions: In chemistry, a solution is created by dissolving a substance *the solute) in another substance (the solvent). For example, when we mix table salt (NaCl) with water, we are effect...
Answer to: How many grams of Zn(NO3)2�6H2O are needed to prepare 25.0 mL of a 0.350 ? (moles/L) solution? By signing up, you'll get thousands of...
How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution? How many moles of potassium bromide (KBrO_{2})are in 82.3 g of the compound? How many moles of K are in 890 grams of KNO3? How many moles are in 14.2 grams of KNO3...
H2SO4 + MgCl2 -> 2 HCl + MgSO4 Reaction Yield: The reaction yield refers to the process of calculating the amount of product that will be obtained from a chemical reaction, considering the amount of reagents that will participate in it. Depending of the r...
How many grams of KCl would you need to make 250 ml of a 0.5 M solution? how many mL of concentrated (15 M) hydrochloric acid (HCL) are required to prepare 500 mL of 6 M hydrochloric acid? A solution of Na2CO3 contains 5...