Calculate HCV and LCV, in kcal/kg, using Dulong's formula.

Q: Calculate the molarity of 25.0 grams of KBr dissolved to 750.0 mL.

A: The concentration of any substance can be expressed in different ways such as molality, molarity,…

Q: 2+ Calculate the number of equivalents/L of Ca* in a solution that is 4.7 x 10 M in Ca. Express your…

A: Given, Concentration of Ca2+ = 4.7 × 10-2 M = 4.7 × 10-2 mol/L Equivalents/L of Ca2+ = ?

Q: The lethal dose of potassium cyanide (KCN) in Rats is 10mg KCN per kilogram of body weight. What is…

A: A ppm is nothing but an abbreviation of the term “parts per million” and this quantity can also be…

Q: A doctor orders 1L of 1/4 NSS, you have available 5L of Hypertonic Saline Solution. How many mL of…

A: Concentration is defined as amount of solute present per unit amount of solvent. Dilution refers to…

Q: How many moles of MgCl2 are present in 60.0 mL of 0.100 M MgCl2 solution? Note: 1. Answers must be…

A: molarity is defined as no. of moles of solute devided by volume of solution in liter .

Q: Which of the following pieces of equipment delivers the most accurate volume of solution. A Buret B…

A: We are to discuss which of the given instruments can measure volume of solution most accurately.

Q: If the caffeine concentration in a particular brand of soda is 2.39 mg/oz, drinking how many cans of…

A: Mass can be expressed in different units like grams (g) , kilograms (kg) , milligrams (mg)  1 kg =…

Q: Bioldgy Environm solvent Sample Science (+) if soluble/miscible or (-) if insoluble/immiscible Water…

A: We know the concept of like dissolves like. Hydrophobic compounds dissolve in hydrophobic solvents…

Q: 4.How many grams of NaCl would be required to create a 12.1 % of a 495 g solution? Numerical…

A: We know that  1 % Solution is defined as 1gram of solute and make upto total mass of 100 gram of…

Q: How many mL of a 12.5 M solution are needed to make 100 mL of a 1.30 M solution? Your Answer: Answer…

A:

Q: If the caffeine concentration in a particular brand of soda is 3.07 mg/oz, drinking how many cans of…

A: The caffeine concentration in the soda is 3.07 mg/oz. A single can has 12 oz. The amount of caffeine…

Q: When 0.2ml of serum is added to 4.8ml of saline, what is the final dilution?

A: Dilution is the process by which the concentration of a solution is reduced. The formula used for…

Q: If the concentration of a fluoride in a city is drinking water were 0.800 per parts per million how…

A: Given : The concentration of fluoride in parts per million i.e ppm = 0.800 ppm  Since there is no…

Q: If the caffeine concentration in a particular brand of soda is 2.21 mg/oz, drinking how many cans of…

A: Mass can be expressed in different units such as grams (g) , kilograms (kg) , milligrams (mg)  Some…

Q: Physical or Chemical Change? 1. H2OCI) H2O(g) 2. NacI(s)→ Na+Caq) + CI -Caq) 3. NaOH(s)→Na+ (aq) +OH…

A: To determine whether the below change is a physical or chemical H2O(l) → H2O(g) NaCl(s) → Na+(aq) +…

Q: Forty grams of NaOH are dissolved in water and diluted to 500 ml. The solution’s concentration is?

A: Given  mass of NaOH        = 40 gram Volume of solution = 40 mL          1 mL  = 10 -3 Liter…

Q: Total Volume HCl used 80ml Volume NaOH used 70ml Class average HCL b.1045

A: Given:  Volume of NaOH used (V1) =  70 ml  Volume of HCl used (V2)  =  80 ml  Concentration of HCl…

Q: Given the chart below for the prepared solution.?What would be the final reading and total volume of…

A: The total volume of the solution is equal to the volume of the solute and the volume of the solvent.…

Q: If the caffeine concentration in a particular brand of soda is 3.39 mg/oz, drinking how many cans of…

A: 1 gram(g) = 1000 mg. So , 1 mg = 10-3 g. 3.39mg caffeine / 1oz or 3.39 x 10-3 g caffeine / 1oz

Q: True False Granules may be swallowed, dispersed in food, or dissolved in water. Granules are usually…

A:

Q: Which piece of lab equipment is used to obtain a small, accurate volume from a stock solution for a…

A: The amount of solute dissolved in the solution is known as the concentration of the solution. In the…

Q: If the caffeine concentration in a particular brand of soda is 3.37 mg/oz, drinking how many cans of…

A:

Q: If the caffeine concentration in a particular brand of soda is 3.81 mg/oz, drinking how many cans of…

A: Given : concentration of caffeine = 3.81 mg/Oz Lethal dose of caffeine = 10.0 g And volume of…

Q: what volume of concentrated HCl solution contains 125 g of HCl given the information: 37.2%…

A: From given mass % it is clear that in 100mL of solution, 37.2 g of HCl is present.

Q: A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In…

A: Given , mass of Nitrate (solute) = 562 microgram  = 562 X 10-6 gram (As , 1 microgram = 10-6 gram)…

Q: How many milliliters of stock tea is required to prepare a 1% tea solution using a 50 mL volumetric…

A: Given, Percent of tea solution = 1 % Volume of the flask = volume of the solution = 50 mL Volume (in…

Q: If a patient is getting 2.5L NaCL 0.9% over 18 hours, what is the rate per hour in mL?

A: We are given,  2.5 L NaCl 0.9% over 18 hours. We need to calculate this rate as mL/hour.

Q: A prescription has been ordered for a patient to receive ½ tsp po bid for 14 days. How many…

A: Solution: As we know, po means prescription should be taken by mouth bid means twice a day

Q: a. Starting with a 1M stock of NaCl, a researcher prepares a 100 mM working solution. The dilution…

A:

Q: convert 20 mL of Cyclohexanol to grams Convert 5 mL of 85% phosphoric acid to grams

A: Given Volume of Cyclohexanol = 20 mLgrams of Cyclohexanol = to be determined

Q: Below is a picture of a 10-fold dilution series. What is the dilution factor of tube #3? Write as…

A: The dilution factor is referred as the final volume divided by the initial volume of the given…

Q: 20.0 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Normality of the…

A:

Q: normal range of serum glucose is 90-110 mg/dl, express this in mmol/L

A: The normal range of serum glucose is (4.99 - 6.11) mmol/L.

Q: Convert the concentration of ephedrine sulfate of 1 gram per 125 mL to mg per ml Do not forget the…

A: It is given that the concentration of ephedrine sulfate is 1 gram per 125 mL. It is to be converted…

Q: Why plasma is rare on earth? Not less than 10 sentences.

A: Matter can be defined as any substance that have fixed volume and shape. Mainly there are three…

Q: How many equivalents per liter are in a 2.5 M solution of K,CO,? Report your answer with 2…

A: From the given data we haveMolarity of the solution=2.5MEquivalents per liter=??

Q: H.W: 1- A solution of KCI (its volume =500 mL) contains 7.45 ppm KCI Calculate Molarity and…

A:

Q: Percocet contains oxymorons at varying strengths. Every strength also contains 325 mg of…

A:

Q: If you expend 2000 kcal per day, what would be your water requirement in liters

A: 1 milliliter of water for every 1 calorie intake.

Q: A CaCl2 solution is administered to patients to increase their blood calcium levels. If a patient's…

A:

Q: A doctor has ordered for a week 0.35 grams of Carvedilol for a patient with high blood pressure. If…

A: Given data : Weight of tablets which the doctor has ordered for a week = 0.35 gm = 350 mg For a day,…

Q: pharmacist needs 100 mL of 60% ethyl alcohol. If the available concentration. of alcohol is 70%,…

A:

Q: SHOW YOUR COMPLETE SOLUTION.  BOX, HIGHLIGHT AND LABEL  YOUR FINAL ANSWER. *CALCULATION OF DOSES*…

A: Given ,  recommended cefexime dose = 7.5 mg Kg day weight of the patient = 50 lb= (50×0.453592…

Q: Calculate the total volume of pure ethanol in just one 23.5 fl. oz. (695 mL) can of American malt…

A:

Q: 900. mL of 0.20 % (m/v) NaCl from 6.9 % (m/v) NaCl  what is the initial volume in mL?

A:

Q: Concentrated Potassium Chloride is available in a concentration of 1.49 g of KCL per 50 mL. If a 50…

A: 1.49 g KCl in 50 ml  moles of KCl in 50 ml = 1.49 g /74.55g/mol =0.0199 =0.020 mole KCl in 50 ml =…

Q: 570 meir Isopr Label these components as solvents or solutes. methanol: [ Select ] sopropanol: […

A: Solution- Solute-  Methanol  Solvent-  water ( because its is universal solvent ) it is dissolved…

Q: Differentiate volumetric solution and test solution

A: Both the type of solutions can be prepared in Chemistry laboratory.

Q: Your supervisor gave you a 5% saline (NaCl) solution. You need to make 100 mL of 1.0% saline…

A: The dilution law is shown below: M1V1 = M2V2 Where; M1 = molarity of known solution V1 = volume of…