We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Question 27 4 pts Copper(II) bromide is used as a wood preservative. What mass of CuBr2...
1) One mole of copper(II) sulfate, CuSO4, contains O atoms. 2) What is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid? 3) How many moles of K2SO4 are in 15.0 g of K2SO4? 17) How many grams of glucose are needed to prepare 400 mL of a 2.0%(m/v) glucose solution? 18) How many moles of CaCl2 are in 250 mL of a 3.0 M of CaCl2 solution? 19) What volume of 0.10 M NaOH...
Перо Name _Date Section 1. mass of aluminum 16.2058 2. mass of alum possible (theoretical yield) 3. mass of alum produced (actual yield) 4. percent yield Show calculations by number: 10:52 Exit If you removed the solvent from 50.07 mL of a 1.403 M copper(II) sulfate solution, how many grams of copper(II) sulfate would you have? Question 2 3 pts The solubility of copper(II) bromide in water is 55.7 g/100 mL of water at 20 C. If you have a...
What volume of 0.172M lithium phosphate reacts with 95.4 mL of 0.102 M copper (II) bromide solution to yield 3.70g of a solid product?
19. a. What mass of potassium bromide is needed to prepare a 250. mL of a 2.00 M KBr aqueous solution? Molar mass of KBr = 119.00 g/mol. Use dimensional analysis to calculate the mass. b. Describe the full process of how you would prepare this solution in a 250. mL volumetric flask. c. Calculate the concentration of the solution in question a. if more water was added to bring the solution to a final volume of 1000. mL. (Hint:...
CuSO4• 5H20 -------> Custy + D u 2) What is the color for anhydrous salt of copper (II) sulfate (CuSO4)? What is the color for ionic hydrate compound of copper (II) sulfate pentahydrate (CuSO4.5H2O)? 3) How would you test a colorless crystalline compound to determine whether it is a hydrate or not? 4) How many grams of CuSO4.5H20 are needed to prepare 50.0 mL of a 1.00 M CuSO4 solution? 5) Suppose you used the Procedure in this experiment 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...
1) What mass of water is needed to dissolve 43.5 g of copper(II) chloride to prepare a 0.521 molality solution? 2) Calculate the boiling point of a solution made from 224 g of magnesium chloride dissolved in 625 g of water. Kb=0.512 °C/m.
b. Sodium phosphate mixed with copper(II) bromide. Molecular equation Complete ionic equation Net ionic equation Spectator ions 6. How many mL of a 0.250 M KCI solution contains 34.5 g KCI? 7. To what volume (in mL) should you dilute 100.0 mL of a 2.50 M CaCl2 solution to obtain a 0.550 M CaCl2 solution?
Exercise 12 Name Solution Concentrations Lab Gwyl time What is the molarity of a solution that has 4,50 x10 moles of Copper) fate in 1. What 0.500 L? How many moles of NaOH are required to prepare 5.00 L of 0.870 M solution? 3 What volume of 12.0 M HCl is needed to prepare 200.0 mL of 0.345M HCl solution? 4. What is the molarity of a solution if 5.00 g of KOH are dissolved in enough water to make...
16 Cts with aqueous copper(II) chloride accord- 101. Zinc metal reacts with aqueous copper(1) ing to this equation: Zn (s) + CuCl2 (aq) → ZnCl2 (aq) + Cu (s) In this reaction, what mass of copper metal can be pro- duced from the reaction of 500 mL of 1.20-M aq. cu 2 with excess zinc? 10 103. The concentration of bromide ion may be determined by gravimetric analysis, using this reaction: Ag+ (aq) + Br (aq) → AgBr (s) A...