A certain solution is 5.84 % by mass in calcium carbonate (CaCO3).  If the density of the solution is 1.02 g/mL, what mass (in grams) of calcium carbonate is contained in 46.4 mL of solution?

Q: A chemistry student weighs out 0.139 g of lactic acid (HC,H,O,) into a 250. mL volumetric flask and…

A: Mass of lactic acid = 0.139 g Volume of solution = 250 mL or 0.250 L Molar mass of lactic acid =…

Q: By weight, liquid A makes up 8 percent of solution R and 18 percent of solution S. If 3 grams of…

A: Percent means per 100. Be it 100ml or g or any other unit.

Q: A patient undergoing open-heart surgery is to receive 151 units/kg body weight. If the medicine…

A: Given : requirement of dose = 151 units /Kg body weight  body weight of patient = 200 lb strength of…

Q: Which of the following items have a mass of about 100 g? a nickel a 5.0-gallon bucket of water a car…

A: 1) To identify: Which option has a mass of about 100 g.

Q: Part A An electron acquires 6 60x10-16 J of kinetic energy when it is accelerated by an electric…

A: Kinetic Energy of electron = 6.60 × 10-16 J Charge on electron = 1 Coulomb = 1.60 × 10-19 C

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: For the class of hydrocarbons, we are given the general formula also, we are given that n=5

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: Some cooks will tell you that they salt the water used to boil pasta because adding table salt…

A: Given : Elevation in boiling point of solution required = 5 oC And volume of water = 2 L = 2000 mL…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: We need to calculate %C by mass for n=12 in the formula CnH2n+1COOH  Atomic weights C = 12.01 g H =…

Q: The Ksp value for magnesium carbonate, MgCO3, is 7.4 x 10-6. If 2.50 g of magnesium carbonate is…

A:

Q: A chemistry student weighs out 0.150g of phosphoric acid H3PO4 , a triprotic acid, into a…

A: The 250 ml of solution is equal to 0.250 L. The concentration of phosphoric solution (M) is…

Q: A chemist makes 300. mL of potassium dichromate (K,Cr,0,) working solution by adding distilled water…

A: Answer:- This question is answered by using the simple concept of dilution of concentrated solution.…

Q: A tablet of Benadryl (RR), an antihistamine, has a mass of 0.53 g. It contains 25 mg of the active…

A: Given : mass of tablet = 0.53 g And mass of active ingredient = 25 mg

Q: 9.66 x 10-3 grams of CaCO3 were present in a 5.00 mL sample of water, how many grams of CaCO3 are in…

A:

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: Density is an intensive physical property. Look-up the meaning of an intensive property of matter…

A: Intensive properties — Those properties of substance which doesn't depend on mass and volume of…

Q: A chemistry student weighs out 0.141 g of acrylic acid (HCH,CHCO, into a 250. ml volumetric flask…

A:

Q: Suppose that polluted air has carbon monoxide (CO) levels of 15.0 ppm. An average human inhales…

A: Given, CO level = 15 ppm = 15 Litre CO/106 litre air Human intake = 0.5 Litre of air/ breath Rate of…

Q: A gallon is 4 quarts. The volume of a liter is slightly larger than a quart. If you put 13.5 gallons…

A: The substances that can be employed to generate heat and hence to produce the power to do an…

Q: RATIO AND PROPORTION  A patient is to receive an IV solution at the rate of 200 milliliters per…

A:

Q: A patient is required to take an IV drug for cancer treatment. The required dosage is 5.0 mg drug…

A: Given: The dosage requirement = 5.0 mg drug/lb patient.day. Mass of drug in each bag = 250 mg…

Q: At a certain temperature, the pHpH of a neutral solution is 7.49. What is the value of KwKwK_w at…

A:

Q: A year ago I had a barbeque on March 1st.  I invited 16 friends to join me.  I planned to serve each…

A: Given that, Total friends =16 It is planned to serve each 1 hot dog, 2 hamburgers and 3 cans of soda

Q: What is the mass percent of NaCl if 6 grams of NaCl dissolved in 123 grams of solution? What us the…

A: The mass percent of a solute present in a solution is mathematically expressed as: Mass percent =…

Q: Sodum carbonate is often added to laundry detergents to soften hard water and make the detergent…

A: Dear student according to bartleby guidelines I am alllowed to solve only 1st question. Please post…

Q: bleach, [OH ]= 2.9 × 10–3 M Express your answer using two significant figures. ΑΣφ a Xb

A: [ HO -] = 2.9 x 10-3 pOH= - log [ HO -] = -log 2.9 x 10-3 = 2.537   pH = 14 - pOH =(14 - 2.537  )…

Q: 9. You are working in a specials manufacturing unit and you are preparing an order of Zinc and…

A: In the given question, weight of one cream tube = 27.5 g Total number of cream tubes to be packed =…

Q: What would be the mass, in grams, of a sphere of titanium which is 24.68 mm in diameter? V =…

A: Given : Sphere of titanium with diameter = 24.68 mm = 2.468 cm…

Q: mol A chemist makes 760. mL of potassium permanganate (KMNO,) working solution by adding distilled…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: 3. Biogesic for Kids is a paracetamol suspension. After letting it sit undisturbed, you see a layer…

A: Biogesic for kids is a paracetamol suspension. The suspension is filtered to get a white solid. The…

Q: How many miles can you drive, if your car gets 25.30 miles per gallon and you have 12.00 gallons of…

A: Hi, since you have asked multiple questions, we will solve the first question for you. If you want…

Q: A chemist wants to make 5.0 LL of a 0.330 MCaCl2MCaCl2 solution. What mass of CaCl2CaCl2 (in gg)…

A: Given  Molarity of CaCl2 =  0.330 M                               = 0.330 mole/Liter Volume of…

Q: 2.7 Assume household vinegar contains 5.00% acetic acid by weight and that the density of vinegar is…

A: CH3COOH + NaHCO3→CH3COONa+ H2O + CO2 % w/w concentration = [mass of solute/mass of solvent] x 100

Q: Calculate the kinetic energy of a 490. kg boat moving at a speed of 6.1 Round your answer to 2…

A: Given: Mass of boat = 490 kg  Speed = 6.1 m/s To find : Kinetic energy Solution  : There is a…

Q: page 2 A dialysis unit requires 90000 mL of distilled water. How many gallons of water are needed?…

A:

Q: What is the volume, in milliliters, of 6.60 g of acetone?

A: Density = mass ÷ volume  So, volume = mass ÷ density

Q: Stan Moneymaker needs 15 gallons of gasoline to top off his automobile’s gas tank. If he drives an…

A: Environment economics: It refers to that economics which takes the financial impact of the policies…

Q: Maalox is the trade name for an antacid and antigas medication used for relief of heartburn,…

A:

Q: A chemist makes 980. mL of copper(II) fluoride (CuF,) working solution by adding distilled water to…

A: The given information is: Concentration of stock solution = 2.45 mM Converting the value of stock…

Q: A large stone used for building is 5 meters long, 2 meters high, and 4 meters wide. The mass of the…

A: Density is defined as the mass per unit volume. It is represented by rho . Its relation is as…

Q: A runner wants to run 10.3 km. Her running pace is 7.0 mi/hr. How many minutes must she run?

A:

Q: How much volume (in cm3cm3) is gained by a person who gains 12.6 lblb of pure fat

A: Given information, Mass = 12.6 lbs Volume = ? The relationship between mass and volume is given by…

Q: Ethylene glycol is used as antifreeze in cars and has a density of 1.11 g/mL. What is the mass in…

A: Density of the substance is the defined as the mass of a unit volume of substance.  The formula for…

Q: The solubility of benzoic acid is 1.81 g per 100 mL of hot water. A student adds 1.81 g of benzoic…

A: Given : Mass of benzoic acid added in 100 mL water = 1.81 g  Solubility of benzoic acid at lower…

Q: Place the following household units in order from smallest to largest. 30 teaspoons 12 tablespoons…

A: To place the units in order from smallest to largest, we need to convert them to a single unit first…

Q: A solution of 5.00% glucose (C6,H12,O6) solution is used in many medical settings. If you are given…

A:

Q: A student pipetted 25.00 mL of a 1.65 M solution of potassium phc a volumetric flask and then filled…

A: Initial volume of given solution is 25.00 mL and concentration is 1.65 M. The solution is diluted to…

Q: An analytical chemist weighs out 0.073 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Given : Mass of triprotic acid = 0.073 g  Concentration of NaOH = 0.1500 M And volume of NaOH…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: From calculation, we get the answer is 40%