Part A: How many atoms of hydrogen does it contain?         Express your answer using four significant figures.   Part B: How many molecules of glucose does it contain?         Express your answer using four significant figures.   Part C: How many moles of glucose does it contain?         Express your answer using four significant figures.   Part D: What is the mass of this sample in grams?         Express your answer using four significant figures.

Q: In terms of mass, calculate the percentage of the active ingredient for each of the following…

A: Mass percentage is defined as the total mass of the substance( here active ingredients) divided by…

Q: the percentage by mass of water in a sample of dog food

A: In this we have to explain the percentage by mass of water in a sample of dog food  and draw a flow…

Q: Calculate the mass in grams of each sample. 3.2×1022 SO2 molecules Express your answer using two…

A: Number of SO2 molecules is given as 3.2*1022, whose mass is to be determined.

Q: Can you help me answer the following questions: 1. What is the mass of hydrous copper sulfate? 2.…

A: (1) Given compound name,         Hydrous copper sulfate

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: The “lead” in lead pencils is actually almost pure carbon and the mass of a period mark made by a…

A: Answer = 5.02 x 10 19

Q: Mass of 1L Substance 810 g 1100 g 1250 g 1040 g Alcohol Ethylene glycol (antifreeze) Glycerin…

A:

Q: What is the mass, in grams, of each of the following? A)2.4×10−3 mol Sb (Express your answer using…

A: Welcome to bartleby !

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 470. g of iron(II)…

A: Given: mass of FeBr2 = 470 g volume of flask, V=450 mL                             =0.450 L We know…

Q: How many kcal/mol are in 206.16 kJ/mol? Do not put units in your answer. Do use proper significant…

A: Kcal/mol to KJ/ mol  1kcal/mol= 4.184 kilojoules   In SI units one kilocalorie per mole is…

Q: Be sure to answer all parts. (a) Calculate the number of oxygen molecules and the number of oxygen…

A: Given:Mass of O2 = 39.5 g.

Q: The number of particles in 1 mole of hydrogen gas is __________. Express your answer using three…

A: Given : Moles of Hydrogen gas i.e H2 gas = 1 mol.

Q: The recipe for an ice cream sandwich is given below. 2 cookies + 4 oz ice cream = 1 ice cream…

A:

Q: What is the mass in grams of 1.58x10^24 atoms of beryllium?  grams How many beryllium atoms are…

A: Given data- a) The number of Be atoms= 1.58x1024 To find - the mass of Be in grams b) The mass of Be…

Q: Tin reacts with oxygen to form tin oxide. In a particular laboratory experiment in which oxygen…

A: We are given different data for 3 different trials.  We have to calculate for each trials…

Q: Module I Teaching Science in the Elementary grades ( Chemistry ) Post test This test is a means of…

A: The correct options with a valid reason to each of those correct chosen options are provided below.

Q: How many molecules of glucose are present in 27.4 grams?

A: The expression for number of moles is given by, Number of moles =MassMolar mass 1 mole of a…

Q: A sample of stainless steel contains 10.5% chromium by mass. What mass of chromium, in grams, is…

A: Given information,             Stainless steel sample contains 10.5% chromium by mass.…

Q: Volume of DNA crystals is 0.144 nm^3 what is the volume in milliliters

A: Given: Volume in nm = 0.144 nm3

Q: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: Why are intensive properties useful for identifying a substance? A:They describe the amount of…

A:

Q: 1. A. What is the mass in grams of atoms of strontium? grams B. How many strontium atoms are there…

A: We have to apply mole concept

Q: Sample 1 43.07 g 42.05 g 1.02 g 8.95 mL .98 mL Sample 2 42.77 g 41.09 g 1.68 g 22.66 mL 8.95 mL…

A: The reaction between KHC8H4O4(aq) and NaOH is as follow: KHC8H4O4(aq)+NaOH(aq)→KNaC8H4O4+H2O(l)

Q: The elements that compose​ seawater, along with the corresponding​ percents, are shown in the table.…

A: The elements that compose of sea water are : Oxygen and Hydrogen Because composition of oxygen is…

Q: Calculate the mass in grams of carbon in a 1 carat diamond that contains 1.32x1022 atoms of carbon.

A: Given the number of C atoms present in the 1 carat diamond = 1.32*1022 atoms We have to convert the…

Q: Why some chlorophyll of some leaves has different values or amount? Explain the content of…

A:

Q: Calculate the number of carbon atoms in 1.75 g of table sugar, C12H22O11 Express your answer using…

A: mole = (given mass ÷ molecular mass) Molecular mass of sugar C12H22O11 = 342g

Q: Do the following calculations involving moles and molar masses: 1.  How many moles of NH3 are there…

A: Given,1.  5.0×1024 molecules of NH3 number of moles is:2. Mass of one molecule of NH3  is3. Mass of…

Q: How many water molecules does it contain? The density of water is 1.0 g/cm3. A drop of water has a…

A:

Q: How many molecules are in the sample? 51.8 gg N2N2 Express your answer using three significant…

A: Given mass of sample (N2) = 51.8 g  Molar mass of N2 = 28 g/mol Calculation for number of moles :…

Q: What mass of copper(I) phosphate contains 3.20x1023 oxygen atoms? Provide your answer in decimal…

A: Chemical formula : Cu3(PO4)2  Given, Atoms of Oxygen = 3.20 x 1023 atoms. Molar mass  : 380.58 g/mol…

Q: Calculate the total number of oxygen atoms in 65.0 g of KClO3. Express your answer in scientific…

A:

Q: How many atoms are there in each of the following substances? 1.88 g Bi Express your answer using…

A: Calculate number of atoms in each element given--

Q: What is the mass, in grams, of each of the following? I.) 2.1×10−3 mol Sb Express your answer…

A:

Q: A drink recipe calls for 600 grams of sugar, 6 liters of water, and 3 package of flavoring. While…

A: Limiting Reagent concept is used wherever one ingredient is limited.

Q: A chemist adds 405.0 mL of a 8.16 × 10 mM zinc oxalate (ZnC,04) solution to a reaction flask.…

A:

Q: How many moles of NaOH are in 26.27 mL of 1.4 M NAOH? Do NOT place the answer in scientific notation…

A:

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: You need 8 different masses in the range of 2.50 to 7.00 grams they need to be spread out as evenly…

A: Given: lower range = 2.50 g Upper range = 7.00 g number of masses (n) = 8 common difference = d

Q: How many atoms are there in each of the following substances? I.) 5.14 g P Express your answer…

A: molar mass of P   = 31 g/mol molar mass of Hg = 200.59 g/mol molar mass of Bi   = 200.98 g/mol molar…

Q: 5. The density of water at 4.00°C is 0.967 g/mL. How many molecules of water are present in a 499.8…

A: Given: Density of water = 0.967 g/mL. And the volume of water = 499.8 mL

Q: Calculate the mass, in grams, of each of the following. 2.0x10^23 lead atoms Express your answer…

A:

Q: A chemist prepares a solution of barium chloride  BaCl2  by measuring out  63.g  of barium…

A:

Q: How many carbon atoms are there in a 1.0-carat diamond? Diamonds are a form of pure carbon. ( 1…

A: Given:1 carat=0.20gWe know,Atomic mass of C=12.0107g/molalso, 1 mol of C=6.022×1023 atoms of C

Q: Mass (in grams) of 1.00×10−2 molof CdS. Express the mass in grams to three significant digits.…

A: The mass in grams is calculated for CdS as shown,

Q: How many atoms are there in 11.1 g of sulfur? You will need to divide your answer by 1.0x10^23

A: The number of atoms in a compound is calculated as the product of number of moles and the Avogadro's…

Q: 1. An investigator is interested in identifying which metals are present in seaweed found off the…

A: The detection and analysis of metal ions in a specific source can be best accomplished by employing…

Q: Enter your answer in the provided box. Calculate the mass in kilograms of 64.6 mol of CuF2 · 2H2O.…

A: