How many moles of ions are in 1.75 mol of K2SO4?

Q: Calculate the coulomb energy for the following three nuclei using the semi-empirical mass formula.…

A: Introduction The semi-empirical mass formula is used to calculate an atomic nucleus' mass and other…

Q: The density of a substance is 3.596 g/ml and has a weight of 32g. What is the volume?

A: Volume is defined as the total space occupied by a substance. Density can be defined as the…

Q: How many ml 2M NaOH would it take to neutralize 20 ml of 0.5M HCI?

A: Given: Concentration of NaOH , M1 = 2 M Volume of NaOH, V1 =? Concentration of HCl, M2 = 0.5 M…

Q: How many Na+ ions are in a mole of Na2SO4? How many SO4 2-ions?

A: A substance composed two or more elements bonded together via chemical bonds is known as a compound.…

Q: How many g of NaCl are in 2.5L of D50WNSS?

A: Drug calculation is an essential part of medication administration among nurses .As Nurses, we need…

Q: How many grams is one mole of potassium chloride KCI?

A: Moles : unit of concentration  Mole concept is used to convert mass and number of particles. 1 mole…

Q: How many moles of argon are in 40.1 g of argon?

A: In this question, we have to find the number of moles of argon in 40.1 gm of argon using the formula…

Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=

A: Beer-Lambert law states a linear relationship between concentration and absorbance. When…

Q: How many kilojoules are released by freezing 2.5 mol of H2O?

A: Enthalpy of freezing (∆Hfree) is used to calculate energy needed to release when liquid becomes…

Q: What does the formula DPD = SF – TP mean?

A: If a solute is added to water, it decreases its diffusion pressure. The difference between diffusion…

Q: What is the approximate concentration of the solution in mol\kg, if 1 mol of solute particles raises…

A: Boiling point elevation describes the phenomenon that the boiling point of a liquid will be higher…

Q: What is 80.1ml in liquid volume?

A: The volume of an object is defined as the 3-D (three-dimensional space) present within a closed…

Q: What is the pH of a 9.7 × 10⁻⁴ M HClO₄ solution?

A: Hydrogen ion concentration [H+] of a solution is expressed in terms of pH. pH of a solution ranges…

Q: How many kilocalories are needed to vaporize 5.8 mol of Br2?

A: Bromine is a dark reddish-brown fuming liquid with a pungent odor. Denser than water and soluble in…

Q: What is the empirical formula for a compound that is 26.56% potassium, 35.41% chromium, and 38.03%…

A: A compound's empirical formula communicates a ratio between the numbers of atoms of various elements…

Q: What is the mass in grams of 6.022 * 1023 O atoms of mass 16.00 amu?

A: The mole concept is a convenient method of expressing the amount of a substance. Any measurement can…

Q: What is the mass in grams of 30.50 moles of KBr

A: The molar mass is defined as " It is the addition of all the atomic mass of atoms present in the…

Q: How many millilitres of Morphine Sulfate 15 mg / mL should the patient get if he needs to take 60 mg…

A: According to the formula,  Required Dose = D/H ×V where, D= desired dose; H=amount on hand; V=…

Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…

A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…

Q: Determine the mass of baking soda (84 g/mol) needed to completely react with 531mL of vinegar.…

A: Acid and base react to produce salt and water. In some reactions, gas may also be released (hydrogen…

Q: How many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?

A: Stoichiometry is a section of chemistry that involves using relationships between reactants and/or…

Q: The standard heat of combustion of liquid methyl cyclopentane, C6H12(l),C6H12(l), was measured to be…

A: Fuels are materials such as coal, gas, wood, or oil that store potential energy as when combusted in…

Q: If a 1.20 L of strawberry wine is 10.5% alcohol by volume, how many ml of the solution is ethanol?

A: Wine is an alcoholic beverage produced from honey, fruits like grapes, pineapple, strawberry, etc.…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: What is 10.2ml in liquid volume?

A: When measuring the volume of a liquid, sometimes referred to as capacity, the units litres (L) and…

Q: Calculate the molar mass of each of the following compounds:(a) Calcium carbonate, CaCO3  (b) Urea,…

A: Molar mass is defined as the mass of a substance in grams of 1 mole. It is calculated by summing all…

Q: At what pressure in atm does ethane (C₂H₆) have a density of 37.2 g/L at 75.0 °C?

A: The pressure of the ethane gas can be calculated by the ideal gas equation. PV = nRT Number of moles…

Q: Ferrous sulfate is one dietary supplement used to treat iron-deficiency anemia. What are the…

A: Ferrous sulfate is an essential supplement, which is required by our body. It plays important role…

Q: What is the equivalent of 7 ppb in µg sol/L?

A: ppb means parts per billion.

Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?

A: Hydrobromic acid, HBr is  an extremely strong acid, one that ionizes completely ionizes completely…

Q: the vapor phase concentration in ppm(v)?

A: Vapour phase concentration is the amount of water vapor present in a unit volume of air, usually…

Q: Determine the molar mass of Mg(OH)₂. Provide an answer to two decimal places.

A: Molar mass is calculated with the help of atomic masses.

Q: How many grams of Cl2 are needed to react with 50.0 g of CH4?

A: As we know to react with the CH4, 2moles of Cl2 are required. So following is the balanced chemical…

Q: What is the michaeli's equation??

A: it is found in the enzyme.

Q: What is the empirical formula of a compound that contains 72.0% carbon, 12.0% hydrogen and 16.0%…

A: Empirical formula  It is the formula of a compound in which the exact number of each atom is not…

Q: The k of water is 1.86 kg °C/mol, approximately 4x the value of k,. If you attempted to freeze your…

A: Freezing point depression is a colligative property and it is noticed in solution when solute…

Q: Determine the number of moles in 1.95 x 1023 formula units of MgCl2.

A: Given: Formula units of MgCl2=1.95×10233 No. of moles of MgCl2=?

Q: What is the total anion concentration (in mEq/L) of a solution that contains 5.0 mEq/L Na+ , 12.0…

A: Introduction: The ionic concentration is the mole ratio between the dissolved substance and the…

Q: the molecular formula

A:

Q: When ionic compound AB (12.0 g) is dissolved in water, it absorbs 2.00 kj of heat. The compound has…

A: Given : AB dissolved in water, it absorbs 2 kJ heat. AB heat of hydration , Delta Hhydration = -670…

Q: If 150ml of polyethylene glycol 400 weighs 74.1g, what is the specific gravity?

A: The division of density of the substance and standard density is called specific gravity. It is also…

Q: How do you think fluorocitrate can be formed?

A: Fluorocitrate is the fluorinated carboxylate ion that is derived from citric acid by substitution of…

Q: Does 30% NaCl (MW=58.44g/mol,ionic) have the same, increased, or decreased osmotic pressure as 30%…

A:

Q: What is the mass in grams of 24.2 moles of NaCl?

A: Moles can be stated as amount of any substance, which is measured in grams, liters, atoms, or…

Q: How many liters of a 7 M NaOH stock solution would you need to make 780 mL of a 153 mM NaOH…

A: Molarity is defined as the number of moles of solute present in a liter of solution.  Molarity =…

Q: Use the following balanced equation for problems 1–5. Molar masses are given below. 2 As + 3 H2 2…

A:

Q: If I put 80g of NaOH in 0.5L of H2O, what is the molar out of solution?

A: Molarity is the concentration of the solution that is defined as the number of moles of the solute…

Q: What volume in liters would 20.0 moles of sulfur dioxide occupy at 75.3 °C with a pressure of 2.40…

A: Moles of sulfur dioxide (n) = 20 moles Temperature (T) = 75.3 + 273 = 348.3 K Pressure (P) = 2.40…