How many grams are in 0.250 moles of lithium carbonate ?  a) 12.225 b) 18.47 c) 18.5 d) 16.5

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: a) Identify the following as element (atomic or molecular), compound or mixture. b) Explain your…

A: An atom of a element is composed of a single nucleus with a unique number of protons surrounded by…

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: 1) What is the prefix that is used when we are expressing 1/1000 of the unit?

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Q: For Mg calculation, where did the 0.1 value come from?

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Q: Determine the mass in grams of 2.10 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55…

A: Molar mass is defined as the ratio of the mass of the substance (m) to the moles of substance (n)…

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: How many grams are in 3 kilograms

A: The SI unit of mass is the kilogram (kg). In the metric system of weights, the conversion happens in…

Q: Aqueous solutions of potassium carbonate and magnesium nirate are mixed together. Identify the…

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

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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: 1 ounce 30 cc (mL) 1 cup = 240 cc (mL) I ) 6-ounce cup of coffee: b) Half of a 6-ounce cup of tea:…

A: Given that,  1 ounce = 30 cc(ml) 1 cup = 240cc (ml)

Q: The prescriber ordered oxacillin 500mg IM q6h.  The instructions on the 2g vial state to…

A: The nurses administer the drugs to the patient, and thus it is very much necessary for the nurses to…

Q: How will you dilute 100 μl of 25 mg/ml BSA into a final concentration of 2 mg/ml BSA?

A: BSA stands for bovine serum albumin. It has several applications in laboratories. In a microbial…

Q: What is the mass in grams of 31.80 moles of KBr?

A: Potassium (K) has an atomic mass of 39.0983 g/mol.Bromine (Br) has an atomic mass of 79.904…

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: 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: hich of the following corresponds to a standard drink of alcohol? A) 12 ounces of beer B) 12…

A: Alcohol is a well-known source of intoxication among youth and old-age people. To our surprise, a…

Q: our patient drank the following liquids for breakfast;220 ml of orange juice,180 ml of milk and 150…

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Q: O E A D a) purine, RNA O c) purine, DNA b) pyrimidine, RNA HC CH₂ d) pyrimidine, DNA CH CH-CH | →OH…

A: DNA aur RNA is a polymer of nucleotides. DNA is made up of deoxyribose sugar, a phosphate group and…

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: 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: What molarity will 25 grams of glucose (C6H12O6) and 300 mL of water make?

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

Q: How many milliliters of 6M NaCl are required to prepare 3000 ml of 0.002 M NaCl?

A: The problem is asking us to find out how many milliliters of a 6M (Molar) NaCl (Sodium Chloride)…

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

A: 4. 1.562 grams/cm3Explanation: