Determine the mass in grams of 2.10 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55 g.)

Q: A solution is made by dissolving 9.5 g of sucrose, C12H22O11 (molar mass 342.3 g mol-1) in water to…

A: Molarity of the solution is defined as the mole of solute, which is dissolved in the per (L) liter…

Q: Which statements are true regarding the chemical formula Pb(NO3)4. Select the three that apply. The…

A: Pb(NO3)4  Lead(IV) nitrate  Asked :  3 correct statements among given statements

Q: how much copper ion remains at equilibrium?

A:

Q: According to Aristotle’s density equation, if 3.161 grams of the sugar sucrose (C12H22O11) occupies…

A: The objective of the question is to calculate the density of sucrose using Aristotle’s density…

Q: Consider the structure of following peptide from human brain. Identify part of the structure which…

A: First, lets take a look at the structures of the 5 opioid compounds. Morphine   Codeine Oxycodone…

Q: Elemental analysis of a compound with molar mass 342.3 g/mol gives the following mass percent…

A: Given Percentage of C= 42.11 %  Percentage of H=6.48 %  Percentage of O=51.41% To Calculate:…

Q: You are given a solution of 0.117 M NaOH solution.  You need to neutralize 10.00 mL of the NaOH…

A: In order to calculate the molarity of potassium hydrogen phosphate, KHP, we either follow a direct…

Q: How many moles of sodium hypochlorite can be prepared from 32.5 g of NaOH?

A: Moles of Sodium hydroxide equals moles of Sodium

Q: The substance oxygen has the following properties: normal melting point: 54.8 K normal boiling…

A: There are three most common states of matter: solid, liquids, and gases. These states of matter can…

Q: Calculate these masses.

A: A large amount of unspecified size is known as mass. It is denoted as m.  The amount of space an…

Q: If you need to make 2L of 0.25M Glucose, how many grams of glucose do you need Formula for glucose:…

A: While conducting experiments in biochemistry or while creating batch cultures of bacteria and for…

Q: If you have a sugar with a molecular weight of 315 g/mol, how many grams would you need to add to…

A: Given the molecular weight of sugar is 315g/mol. The volume of the solution is 487 mL and its…

Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…

A: When we describe a concentration as a percentage without specifying the type of formula, we imply…

Q: A chemist combined chloroform (CHCI,) and acetone (C, H,O) to create a solution where the mole…

A: Hi, Thanks For Your Question.  Ans :

Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…

A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…

Q: If our alloy has a composition of 90% Sn and has a temperature of 100C, determine: a) What…

A: A phase diagram is a graph that depicts a substance's thermodynamic state at various pressures and…

Q: Determine the mass in grams of 6.42 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole (mol): the amount of material having 6.02214 × 1023 particles. This number is known as the…

Q: How many grams of NaOH would you need to make 7,252 mL of a 230 mM NaOH solution (m.w. = 40.00…

A: Answer- Here molarity of the solution is provided and requires the amount of weight of NaoH.

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: You are asked to prepare 50 ml of a 1:100 rifampin (rifadin) and you have in stock a 1:20 rifampin…

A: Rifampin (Rifadin) is an antibiotic used to treat bacterial infections like leprosy, tuberculosis…

Q: Michelle's doctor orders 0.044 g of chlorpromazine, which is used to treat nausea. If the stock…

A: 1 gm is equivalent to 1000 milligrams. Hence,

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: Determine the number of atoms in 30.0 g of P, with the correct amount of sig figs.

A: One mol of any substance is equal to avogadro number of molecules or atoms. In such cases you are…

Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?

A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…

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: ordered is 2.5 g of Staphcillin. The vial reads: Add 8.6 ml of diluent to contents of vial. Each ml…

A: Penicillins are used to treat bacterial infections. They function by either eradicating the germs or…

Q: To make up a solution of phosphate buffered saline (PBS), you need 10 mM Na2HPO4 (anhydrous) (FW:…

A: Convert the constituents in grams by multiplying with the respective molarity to convert grams per…

Q: According to Aristotle’s density equation, if 4.686 grams of the sugar glucose (C6H12O6) occupies a…

A: 4. 1.562 grams/cm3Explanation:

Q: determine the density of a metal that has a mass of 2.17g and a volume of 0.35 cm^3

A: The unit of density is gm/cm3 .

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: How many mg in 1.35 g ?

A: Measurements in science are done using metric units. Understanding of basic metric units and their…