What is the NH3 (in mg/L) of household ammonia that contains 3% by weight of NH3?

Q: A 112-mg sample of Na2CO3 is dissolved in H2O to give 2.55 L of solution. What is the concentration…

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Q: How much water would 29.21 grams of an insoluble sample with a density per of 4.35 g/ml displace?

A: Given, the mass of the insoluble sample = 29.21 g The density of the sample = 4.35 g/mL We have to…

Q: Calculate the molar mass of each substance. (show solution) H3PO4 CaCO3 (NH4)2SO4 C4H9O2

A: Molar mass means the masses of all the atoms in the moleculeadded together.

Q: A physician has ordered 1.0g of ampicillin to be given every 12h to a patient. If your stock on hand…

A: A physician has ordered 1.0 g of ampicillin to be given every 12h to a patient. If your stock on…

Q: a sample of calcium carbonate requires 22.50mL of 1.25MHCl to neutralize it , how many grams of…

A: Given information: Volume of the solution = 22.50 mL Concentration of the HCl solution = 1.25 M…

Q: A water solution contains 8% by weight and has a density of 1.03 g/mL. How many grams of the solute…

A: * density=massvolumegiven,density of solution=1.03g/mlvolume of solution =400mlsolute contain 8%…

Q: A 3.682 g sample of K2CO3 is dissolved in enough water to give 375 mL of solution. What is the pK+…

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Q: . How much NH4Cl is required to prepare 100mL of a solution containing 70mg NH4Cl per mL?

A: From given data Mass of NH4Cl = 70 mg = 0.07 g For volume of solution = 1 mL = 10-3L Also Molar mass…

Q: The concentration of solutes in the body fluids averages ~0.9% . Solutions of this concentration are…

A: The concentration of solutes in the body fluids ~0.9 % (w/v) Mass of sodium chloride, NaCl in grams…

Q: In 2010, the FDA approved a 2.0% (m/v) morphine oral solution to treat severe or chronic pain. How…

A: The ratio of mass of solute to the volume of solution multiplied by 100 is known as mass/volume…

Q: A commercial juice is known to have 80 % of the daily allowance of vitamin C per serving. If the…

A: Vitamin C is chemically known as ascorbic acid, it is an important component of a healthy diet. We…

Q: A solution contains 38 mEq/LmEq/L of Cl−Cl− and 19 mEq/LmEq/L of HPO2−4HPO42−. If Na+Na+ is the…

A: Given: Concentration of Cl- = 38 mEq/L          Concentration of HPO4-2 = 19 mEq/L

Q: A formula for a cough syrup contains 1/8 gr of codeine phosphate per teaspoonful. How many grams of…

A: A cough syrup contains  codeine phosphate per teaspoonful = 1/8gr 1 pint = 96 teaspoonful

Q: One of the most common IV fluids given is a 0.150 molar sodium chloride solution. It is called…

A: Given :- molar concentration of sodium chloride solution = 0.150 M  Volume of solution = 1.8 L  To…

Q: How many liters of a 1.8 M K N O 3 solution can be prepared from 69.7 grams of K N O 3?  Round your…

A: Molar mass of any compound can be expressed in g mol-1 and atomic mass units. Every molecule has its…

Q: A solution of dispersant is made by taking 10.0 mL of a 80.0 mg⋅mL−1 solution of Tween 80 and mixing…

A: Given: Volume of solution of tween 80 used = 10.0 mL Concentration of tween 80 in the solution =…

Q: Intravenous fluid or electrolytes are usually reported in mEq/L. For example, a dialysate solution…

A: Given: Concentration of  Na+ =  130 mEqL-1 Concentration of Ca2+ =  5.0 mEqL-1 We know that,…

Q: How many milliliters of commercial phosphoric acid (14.6 M) are required to prepare one liter of…

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Q: Muriatic acid, an industrial grade of concentrated HCl, is used to clean masonry and cement. Its…

A: As per the data given in the question,Volume of muriatic acid solution = to be calculatedWeight of…

Q: 7. Vanillin contains 63.15% C, 5.30% H, and 31.55% O whether it is extracted from vanilla beans,…

A: An empirical formula represents the simplest whole number ratio of various atoms present in a…

Q: 1. What mass of NaCl is needed to prepare 5000 vaccine doses? 2. Find the concentration of the…

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Q: Some LAYS brand chips indicate having 6% salt per ounce. How much sodium chloride do you eat for…

A: I ounce weight is  28.34 gm Now it is given that lays brand chips have 6% salt per ounce Now when…

Q: Blood serum

A: 1 gg = 1010 mg                3.2 mg  Na+  obtained in 1mL  blood serum…

Q: A chemist prepares a solution of potassium dichromate K2Cr2O7 by measuring out 2.0g of potassium…

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Q: Saline solution is often used in hospitals and by optometrists. It is a 0.92% (m/v) aqueous solution…

A: Given, Saline solution is a 0.92% (m/v) aqueous solution of sodium chloride. How many grams of NaCl…

Q: A vial of amoxicillin contains 590. mgmg in 2.6 mLmL of solution. What volume of the solution…

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

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: What is the mass in kilograms of 2.00 L of an intravenous glucose solution with a density of 1.15…

A: The ratio of mass to the volume of solution is known as density.

Q: What is the number of equivalents of sodium in 0.806 moles of Na3PO4(aq)?

A: We have to find equivalent of Na

Q: The lab instructor needs to prepare 15 sets of solutions for a chemistry lab.  Each set must have…

A: Answer:- This question is answered by using the simple concept of calculation of mass using the…

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

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Q: For a 25.0% solution of CaCl2, calculate the: a). mass of CaCl2 in 460.0 grams of soution b). amount…

A: Mass percent of a solution is determined as mass % =mass of solutemass of solution×100% Thus using…

Q: A bottle of wine contains 9.0% alcohol (v/v). How much alcohol is contained in 175 mL of wine?

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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: you want to limit your sodium intake to 1800mg per day and the sodium is consumed as NaCl, what…

A: We have to find maximum intake of NaCl so that sodium intake is 1800mg per day

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: A concentrated (stock) HNO, solution is 70.3% by mass and has a density of 1.41 g/mL. How much of…

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Q: If 7.13 g of CuNO3 is dissolved in water to make a 0.200 M solution, what is the volume of the…

A: Using the formula for  1) no. Of moles 2) Molarity  The question can be solved, as shown in the…

Q: How many grams of hydrochloric acid are needed to prepare 191.9 mL of a 2.98 M solution?

A: The question is based on the concept of solutions.   molarity is a method of expressing…

Q: Suppose you had a solution of 6.84 g of sugar ( sucrose C12H22O11) in 90.0 g of water ? Calculate…

A: The number of moles of a compound can be calculated by dividing the mass of that compound given with…

Q: 2) For 30 kg of seeds contains 27% oil, the amount of solution is (a) 0 kg (b) 27 kg (c) 8.1 kg

A: General chemistry.

Q: What is the [H3O+] in a solution that contains 1.46 g of HNO3 in 0.590 L of solution?

A: Given  Mass of HNO3  = 1.46 gram  Volume of solution ( V ) = 0.590 Liter  Concentration of hydronium…

Q: What is the morality of a solution that contains 3.0 g KNO3 in 0.625 L of solution?

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: The concentration of solutes in the body fluids averages ~0.9% . Solutions of this concentration are…

A: The concentration of solutes in the body fluids ~0.9 % (w/v) Mass of sodium chloride, NaCl in grams…

Q: 2.5740 grams of 97% Copper sulfate pentahydrate dissolved in water up to 1-L volume. A. Parts per…

A: Solution - According to the question - Given - w/w % = ( mass solute / mass solution ) x 100 putting…

Q: A patient's blood test shows that her hemoglobin concentration is 17.4 g/dL. How many milligrams of…

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

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Q: How many milliliters of glycerol (C3H8O3, p= 1.26 g/mL) must be added per kilogram of water to…

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Q: 2. A solution has a concentration of 3.5 grams per liter. What is its concentration in parts per…

A: Parts per thousand (ppm) concentration is the gram of solute present in a liter of solution. Parts…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.