100-g of MgSO4*7H2O is dissolved in 900 g of water. If the density of the solution is 1.047 g/mL, what is the formality of MgSO4 in the solution?
Q: The atomic structure of four particles are shown. electrons protons neutrons 18 17 18 Q 18 17 20 17 ...
A: Isoelectronic species can be defined as the species which have same number of electrons in an atom.
Q: 1. Name each of the following compounds: a) Pbl2 b) NiS c) Fe(OH)2 d) Crz(CO3)з e) Al(ОН)з f) KNO3 g...
A:
Q: Answer the following questions about the Lewis structure for calcium hydrogen carbonate, Ca(HCO3)2 T...
A: Lewis structure of HCO3- ion is given by,
Q: What is the pH after 0.150 mol of HCl is added to the buffer from Part A? Assume no volume change on...
A: When acid is added the concentration of HA increases and concentration of salt decreases.
Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,0). W...
A:
Q: A HCN NACN solution has a pOH of 8. The HCN concentration is 0.2F. Find the concentration of the NaC...
A: Given data is as follows: The pOH of the buffer solution = 8 The concentration of HCN = 0.2 F The Ka...
Q: H,CO A B H. E
A:
Q: Will mixing 100. mL of 0.10 M HCl and 100. mL of 0.30 M
A: Buffer solution : the solution which resists its pH by addition of small amount of strong acid (o...
Q: Calculate the pH of a mixture containing 0.23 M HONH2 and 0.44 M HONH3Cl. (Kb = 1.1 × 10–8) ICE ta...
A:
Q: deltaG
A:
Q: what pressure does the mean free path of argon at 25°C become comparable to the diameters of the ato...
A:
Q: Can you identify constitutional isomers of CH3Cl or of CH2Cl2. If you can, draw them. Solve it asap
A: Constitutional isomer is one types of isomer in which compound having same molecular formula, but in...
Q: A solution is made by dissolving 36.7 g of HCl in 885 mL of water. Calculate the pH of the solution...
A:
Q: The value of K, at 25°C for proplonic acid (CaisCOgH) is 1.34 x 10. What is the pH of a 0.02019M aqu...
A: Answer: This question is based on the understanding of Henderson-Hasslebalch equation that we use fo...
Q: CuLi 2 2) Br 3) H30*
A:
Q: Question 13 What is FALSE about the advantages of PET imaging? O It is quantitative as you can quant...
A: A multiple choice question based on analytical process that is to be accomplished.
Q: Given the following data: N2(g) + O2(g) → 2NO(g) ΔH = +180.6 kJ 2CO2(g) + N2(g) → 2CO(g) + 2NO(g) Δ...
A: According to Hess Law, if a chemical reaction can be expressed as the sum of two or more chemical re...
Q: B Cl2 с но D NH3 A O B C DO
A: As we know, C has four valence shell electrons and H has 1 valence shell electron. CH4 has 4 C-H bon...
Q: ỌCH2CH=CH2 heat ČH3 OH CH»CH=CH2 OH A) B) CH;CH=CH2 ČH3 ČH3 CH3 OH CH2CH-CH2 C) D) ČH3 ČH3
A: Claisen rearrangement :- When allyl vinyl ether or allyl phenyl ether is heated a rearrangement rea...
Q: 1. Calculate the vapor pressure of a mixture containing 35.6 g of glucose and 5 mL of ethanol at 25°...
A: Given :- Mass of glucose, C6H12O6 = 35.6 g Volume of ethanol, C2H6O = 5 mL Temperature = T = 25 °...
Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are ...
A: Precipitate is the solid residue obtained at the bottom of the solution.
Q: 4.The elementary and irreversible reaction 2A B+C takes place in 50°C and the rate constant is 1 min...
A: Given elementary reaction is : 2A -----------> B + C Rate constant = k = 1 min-1 M-1 Initial m...
Q: -18 Calculate the molar solubility of Hg, Cl, (K = 1.20 x 10 ) %3D in 0.10 M NaCI, considering the e...
A:
Q: what is the ftir interpretation of 1-chloro-1-methylcyclohexane?
A:
Q: A 10.00 L tank at 26.6 °C is filled with 5.90 g of sulfur hexafluoride gas and 18.6 g of dinitrogen ...
A:
Q: A solution is prepared by dissolving 10g sucrose, density=1.59g/mL, (C12H22)11) in 50g of water. The...
A:
Q: What is the weight of pyridine, CSH§N that must be dissolved in 250 mL of solutic to produce a hydro...
A:
Q: CH3 CH, HC- -CH-CH,-CH=C-CH,-CH, ČH, CH, Give the following: parent name: substituents IUPAC NAME
A:
Q: Which of the following species are strong acids? H,SO4 HSO, HF HNO3 HCN HNO, H,CO3 HCI HCO3
A:
Q: Rank the following molecules in order of increasing acidity (least acidic to most acidic). Br HO. HO...
A:
Q: 1. How many liters of oxygen, at STP, can be obtained from 100g of potassium chlorate? 2KCIO, → 2KCI...
A: These type of questions are solve using mole concept. Let us solve this step by step. Mole= volume/2...
Q: List the steps required in gravimetry to prevent impurities in the final precipitate.
A: Avoiding impurities is an important aspect in gravimetric precipitation.
Q: A sample of lead ore has a density of 8.80 g/ml. It is composed of two lead compunds: lead oxide, Pb...
A: Given that the sample if lead ore has density of 8.80 g/ml. And it is composed of lead oxide(density...
Q: Bond angles Dipole moment Formula Molecular structure IF3 PF5 KrF4 >
A: Since you have posted question with multiple sub-parts, as per guidelines we will solve only first t...
Q: nd gaseous water (H,O). Suppose 9.1 g of al reaction. Round your answer to 2
A:
Q: At what position would you expect electrophilic substitution to occur in each of the following subst...
A:
Q: For the fake elements described below, determine the charge of the most stable ion. A) ____ Elem...
A: Ionisation energy is minimum amount of energy needed to remove an electron from the outermost shell ...
Q: A certain liquid X has a normal freezing point of 4.30 °C and a freezing point depression constant K...
A:
Q: Calculate the solubility of Cd,Fe(CN), in a 0.0333 M solution of Mg(CIO,), using molar concentration...
A: Mg(ClO4)2 dissociates into the following ions: Mg(ClO4)2→Mg2++2ClO4-
Q: Ferrochromium alloy is produced by aluminothermic process using a mixture of 800 g chromite (contain...
A: Ferrochromium alloy is a combination of two metals iron and chromium. In aluminothermic process, the...
Q: Explain the different methods of measuring pressure?
A: Pressure is force per unit area.The SI unit for pressure is the pascal. Other units of pressure are ...
Q: 6- Next, the 1H and 13C spectra of each of the three isomeric ketones with formula C7H14O are presen...
A:
Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g)- 16CO(g) + 18H20(). Given...
A:
Q: 1ow. 1. Chemical potential energy is found in the between atoms and is transformed into energy durin...
A: * For answering o table is not available.
Q: Predict the molecular structure, bond angles, and polarity (dipole moment) for each of tl Formula Mo...
A:
Q: What is salt hydrolysis? Group of answer choices reaction with water to produce hydronium ions only ...
A: Answer: Only ions coming from weak acid or weak base gets hydrolyzed.
Q: Which of the following solutions will, when mixed together, produce a precipitate? O Cacl, (aq) and ...
A: Given options are : a). CaCl2 (aq) and Na2CO3 (aq) b). LiOH (aq) and NaOH (aq) c). Pb(NO3)2 (aq) a...
Q: A eudiometer tube (ET) is found to have a conversion factor "f" of 0.89 mL/ET unit. The experimental...
A: The conversion factor for the Eudiometer tube ; = 0.89 ml/ET The reading on Eudiometer tube = 37.10 ...
Q: You are monitoring a reaction taking place with gases. The reaction is happening too quickly. What c...
A:
Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients ...
A:
100-g of MgSO4*7H2O is dissolved in 900 g of water. If the density of the solution is 1.047 g/mL, what is the formality of MgSO4 in the solution?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Solve the problems and show your solution.a) 100-g of MgSO4•7H2O is dissolved in 900 g of water. If the density of the solution is 1.047 g/mL, what is the formality of MgSO4 in the solution?A 27.0 wt% solution of HBr in water has a density of 1.50 g/mL. Calculate the formal concentration of the HBr solution. What mass of solution contains 33.0 g HBr? What volume contains 118 mmol of HBr?Calculate the molarity of the following solution: 0.800 g NaOH (s) dissolved in distilled water, to give 500.0 mL of solution. Calculate the molarity of the following solution: 10.00 mL of 0.500 M NaOH (aq), diluted to 250.0 mL of solution with distilled water.
- Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL. Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL) A. What is the %m/m of the solution? B. What is the molarity of the solution? C. What is the mole fraction of the solvent?1-----a.) A 12.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.107 g/mL. What is the mass, in milligrams, of a 15.4 mL solution of 12.0 wt% CaCl2 in miligrams? b.) What is the mass in grams of CaCl2 in 435.6 mL of a 12.0 wt% solution of CaCl2? c.) What is the formal concentration of CaCl2 in molarity of the 435.6 mL solution of 12.0% CaCl2? 2----a.) How many milliliters of a solution that is 11.21% (w/w) HNO3 with a density of 1.2000 g/mL should be diluted to make 3.00 L of a 0.225 HNO3 solution?What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.913 m solution?
- Why are most solid ionic compounds electrically nonconductive, whereas aqueous solutions of ionic compounds are good conductors? Would you expect a liquid (molten) ionic compound to be electrically conductive or nonconductive?Calculate the molarity of the following solution: a) 10.00 mL of 0.500 M NaOH (aq), diluted to 250.0 mL of solution with distilled water.Why are most solid ionic compounds electrically nonconductive, whereas aqueous solutions of ionic compounds are good conductors? Would you expect a liquid (molten) ionic compound to be electrically conductive or nonconductive? Explain.
- 15.0 grams of table sugar (C12H22O11) is added to 200.0 mL of water. Assuming that environmental conditions are the same and that pure water boils at 100 C, at what temperature will the sugar solution boil (Kb of water 0.512 C kg mol-1)?How many grams of CaCl2CaCl2 are needed to make 126.9126.9 g of a solution that is 39.539.5% (m/m) CaCl2CaCl2 in water? Note that mass is not technically the same thing as weight, but % (m/m) has the same meaning as % (w/w).Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL. Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL) 1. What is the % m/m of the solution? 2. What is the mole fraction of the solvent? 3. What is the molarity of the solution? Based from the calculated molarity of the solution in #3, you are to prepare 250 mL of the said molar concentration. If you have an available 2M stock solution of Palmitic acid, How many mL of the 2M palmitic acid stock solution will you need? and; 4. How many mL of solvent do you need to add to the amount gotten from the 2M Palmitic acid stock solution in order to prepare 250 mL total volume of your desired solution?