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Ammonium sulfate,
a. What is the mass percent composition of
b. How many atoms of H are in 0.75 mol of
c. How many grams of O are in
d. What mass of
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Chapter 7 Solutions
EP BASIC CHEMISTRY-STANDALONE ACCESS
- (6.3)The volume of a gas is 0.953 L at 30.0 °C. If the gas is heated to 60.0 °C, what would be the volume of the gas (in L) at this temperature? O 1.05 L O 0.867 L O 1.91 L O 0.477 Larrow_forward(3.10)A compound has a molar mass of 126.12 g/mol and its empirical formula is C₂H₂O. Find the molecular formula and fill in each blank with a whole number. H < Previousarrow_forward1. (10.3- 1.24)/18.43 2. A penny minted after 1982 has a mass of 2.5 g Calculate total mass of three such pennies. 3. The following are placed in a beaker weighing 39.457 g: 2.689 g of NaCl, 1.26 g of sand and 5.0 g water. What is the final mass of the beaker? 4. If the beaker containing a sample of alcohol weighs 49.8767 g and the empty beaker weighs 49.214 g, what is the weight of the alcohol? 5. A flask that weighs 345.8 g is filled with 225 mL of carbon tetrachloride. The weight of the flask and carbon tetrachloride is found to be 703.55 g. From this information, calculate the density of carbon tetrachloride.arrow_forward
- 7. What type of product is formed when acids are added to some ionic compounds? Stronger acids Weaker acids Gas Solids GET New version available! (3.0.220)arrow_forward6.149 Indicate the major type of intermolecular forces-(1) ionic bonds, (2) dipole-dipole attractions, (3) hydrogen bonds, (4) dispersion forces-that occurs between particles of the following: (6.9) a. NF3 d. Cs,0 с. Brz f. CH;OH b. CIF e. C4H10arrow_forward(5.2, Similar to For More Practice 5.1) What mass of NaOH (in grams) do you need to make 250.0 mL of a 1.50 M NaOH solution? O 6.67 g O 22.3 g O 44.6 g O 15.0 garrow_forward
- Honors Chemistry-4th Hour- Dr. Paul / Gases / Lesson 148 11. Which state of matter is most accurately described by the kinetic molecular theory? O gas aqueous solid O liquid available! (3.0.227)arrow_forward9.116 Lithium chloride has a solubility of 55 g of LiCl in 100. g of H,O at 25 °C. Determine if each of the following mixtures forms an unsaturated or saturated solution at 25 °C: (9.3) a. adding 10 g of LiCl to 15 g of H;O b. adding 25 g of LİCI to 50. g of H,0 c. adding 75 g of LiCl to 150. g of H,O ne on nearrow_forwardBarium Hydroxide has a solubility of 4.68 g Ba(OH)2 in 100. g H2O at 25°C. Determine if each of the following solutions will be saturated or unsaturated at 25°C: (9.3) a) adding 32 g of Ba(OH)2 to 990 g of H2O b) adding 7.0 g of Ba(OH)2 to 125 g of H2O c) adding 22 g of Ba(OH)2 to 350. g of H2Oarrow_forward
- 11. What type of product is formed when acids are added to some ionic compounds? Stronger acids Solids Gas Weaker acids New version available! (3.0.220) GET IT NOWarrow_forward(5.4) Which aqueous solution conducts electricity? O 1.0 M CH3CH₂OH O 2.0 M C12H22O11 O 1.5 M NH4CI O None of thesearrow_forward6. (3 points) Hydralazine is a drug used to treat heart disease. It is 59.99% carbon, 5.03% hydrogen, and 34.98% nitrogen and has a molecular mass of 160.178 g/mol. What is the molecular formula for hydralazine?arrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
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