The mass of 1 molecule of HI in grams is 2.12x10-22. Select one: True False

Q: What is the mass of  1.42x10^24 atoms of oxygen?  grams What is the mass of 5.01x10^23 molecules…

A: In the question, following information given - Atoms of oxygen (O) = 1.42×1024 Molecules of oxygen…

Q: Ocean water contains 3.3 %% NaClNaCl by mass. What mass of ocean water in grams contains 43.8 gg of…

A: Mass percent of NaCl = 3.3 %

Q: 2 NaN3(s) ---> 2 Na(s) + 3 N2(g) Nitrogen gas has a density of 0.629 g/mL at 30°C. How many grams of…

A: Given: Density of nitrogen= 0.629 g/mL Volume of nitrogen gas = 4.0 gal

Q: You add 297 grams of NaCl to a container and then you add 898 grams of water to that same container.…

A:

Q: Calculate the number of grams of sodium in 7.9 gg of each of the following sodium-containing food…

A: Mass of sodium-containing food additives = 7.9 g

Q: You wish to prepare 193 grams of 8.25% (w/w) NaNO3. Assume that the density of water is 1.00 g/mL.…

A: In Question A)  Given 8.25%(w/w) of NaNO3  Means that 8.25g of NaNO3 is present in 100g of solution.…

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: ow many grams are in 1555 liters of C3H8

A: Volume occupied by 1 mole of a gas is called gram molar volume. the gram molar volume of gas is…

Q: 95.0 milligrams equal how many grams

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: Calculate the volume in liters of a  /6.17gdL  aluminum chloride solution that contains  81.0g  of…

A: The density of Aluminum chloride solution is given to be 6.17g/dl and mass of Aluminum chloride to…

Q: Wine is 13 % alcohol by volume. How many milliliters of alcohol are in a 0.700L bottle of wine?…

A:

Q: What is the density of a substance if 5.000 mL has a mass of 5.025 grams? Select one: O A. 1.005…

A: given the volume = 5.000 ml,              and mass = 5.025 grams

Q: Convert 5.8x10^24 atoms of ammonium chloride to grams of ammonium chloride. which one below is the…

A:

Q: Rank the following quantities in order of decreasing mass.   Rank from highest to lowest mass. To…

A: Given masses:

Q: The mass of 1 molecule of HBr in grams is 1.34x10-22. Select one: True False

A: Molar mass of HBr = 80.91 g/mol OR Mass of 1 mole of HBr = 80.91 g

Q: How many liters are present in 179.0 g of Krypton (Kr)? V- M. a. 1,536 Liters b. 0.9313 Liters С.…

A:

Q: Show your work. A quarter weighs 5.75 grams (g). Find the mass of a quarter in kilograms (kg).

A: Mass of a quarter is 0.00575 kg.

Q: You add 344 grams of NaCl to a container and then you add 565 grams of water to that same container.…

A: Given : Weight of NaCl = 344 g               Weight of water = 565 g

Q: A dietary supplement for calcium contains 600 mg of CaCO3 per tablet. How many grams of calcium are…

A:

Q: 28 g of KCl and 125 g of H2O Express your answer using two significant figures. ? % Submit Request…

A: Mass percentage for a solute is defined as the mass of solute divided by mass of solution multiplied…

Q: wish to prepare 213 grams of 17.4% (w/w) NaI. Assume that the density of water is 1.00 g/mL. You…

A: Here we are required to find the mass of NaI and volume of water needed to prepare aqueous solution…

Q: 4

A: This question is related to mole concept.

Q: A single dose of medication has a mass of 450mg. What is this mass in grams? Multiple Choice 0.0045…

A: Given, mass of single dose = 450mgwe have to find out this mass in grams.

Q: How many grams of chromium are in 4.45 pounds of Cr2O3? How do I convert pounds to grams?

A: we know that,  1 pound = 453.6 g So. 4.45 pound have  (4.45 × 453.6 )  = 2018 .52 g

Q: The mass of a proton is 1.67 x 10-27 kg. What is the mass of a proton in femtograms? A) 1.67 x…

A: Mass of proton is sum of subatomic particles: protons and neutrons. Subatomic particles are protons,…

Q: How many of 0.1 mg-tablets will contain the same amount of drug as 160 tablets that each contain 25…

A: Given Data: Two concentration of tablets given 0.1 mg Tablet 25μg Tablet To find: Number of 0.1mg…

Q: Give the correct significant figure answer to the following calculation:            (3.56 g/ml +…

A: Significant Figures :significant figures are the important single digit from 0 to 9  in a notation.…

Q: Modified true of false. Write True if the statement is true. Otherwise, write False and change the…

A: Density is the ratio of mass of substance divided by volume of substance

Q: Select all quantities whose values are exact (contains infinite number of significant figures).…

A: A number that showing perfect exactly value  , it contain infinite number of significant figure.

Q: A 20.0 mL sample of glycerol has a mass of 25.2 grams. What is the mass of a 51-mL sample of…

A: 64 g Given that,  20 mL volume of glycerol has mass = 25.2 g 51 mL volume of glycerol has mass = m,…

Q: Chalcopyrite, the principal ore of copper (Cu), contains 34.63% Cu by mass. How many grams of Cu can…

A: Given: Mass of ore = 7.34*104 kg

Q: Convert 1.88x10^-6 grams to mano grams

A: nano = 10-9 1 nano gram = 10-9 grams  1 gram = 109 nano grams Grams can be converted into nano grams…

Q: Your patient gets a prescription for 52.0 mcgmcg (micrograms, μgμg) of digoxin in liquid form. The…

A: Given : medication required as per prescription = 52.0 mcg And the strength of medicine as per the…

Q: Calculate the number of grams of sodium in 2.60 gg of each sodium-containing food additive.…

A: The number of moles of a compound is mathematically expressed as: where n, m, and M represent the…

Q: How many kilograms (kg) are there in 5.6x10^7 nanograms (ng)? a.) 5.6x105 kg b.) 2.8x10-5 kg c.)…

A: Introduction: A kilogram is a unit of mass. It is almost equal to 1000 cubic cm of water. The SI…

Q: A student solving the problem based on the scenario below made an error and the answer is incorrect…

A: Percentage Mass =  mass of solute

Q: The mass of 1 molecule of HBr in grams is 1.34x10-22. Select one: O True O False

A:

Q: The mass of 1 molecule of HI in grams is 2.12x10 22. Select one: O True O False

A: As per question , we have to check whether the mass of 1 molecule of HI is 2.12 x 10-22g  u The…

Q: Determine the mass of oxygen in a 5.8-g sample of sodium bicarbonate (NaHCO3). Express your answer…

A: Given; Mass of sodium bicarbonate (NaHCO3) = 5.8 g Mass of oxygen (O) = ? Note: Molar mass sodium…

Q: Calculate the mass in grams of each sample. 9.27×1019 CH4 molecules Express your answer using three…

A:

Q: A medium-sized carrot weighs 61 g and contains 6.0 g of carbohydrate.   Part A What percent, by…

A: Given : Mass of carbohydrate in carrot = 6.0 g Mass of carrot = 61 g

Q: The formula below is for an oral mixture used to treat pain and infections in the mouth. How many…

A: Given, Volume of Nystain = 60 mL Teaspoonful of doses = 2

Q: Calculate the following 44.42 g / 3.456 mL

A:

Q: A block of aluminum is 25.5 mm x 2.63 cm x 0.835 cm high. How much would it weigh? Show your work.

A: Given : Length = 25.5 mm  Width = 2.63 cm  And height = 0.835 cm  Since 1 cm = 10 mm Hence length in…

Q: Calculate the gravimetric factor to convert the mass of the weighed substance on the right to the…

A:

Q: You are given the masses, in grams (g), and the volumes, in cubic centimeters (cm³), for a series of…

A: To arrange in order we have to have the idea of density. Since mass and volume is given in the…

Q: A chemist weighed out 3.51g of calcium. Calculate the number of moles of calcium she weighed out.…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: how many grams of the hydrochloric acid in 5x10^45 molecules of the substance

A: Since we know that  6.022 ×1023 molecules of any substance = 1.0 mol of that substance . By using…

Q: Mg(s)+N2(g)→Mg3N2(s)Mg(s)+N2(g)→Mg3N2(s) Express your answers as integers separated by commas.

A: Note: Assuming that the question is to balance the given reaction.