A Moving to the next question prevents changes to this answer. stion 2 What is the mass (in grams) of SO3 that contains 6.42 x 1044 oxygen atoms? (do not include a unit in your answer) A Moving to the next question prevents changes to this answer. DELL F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 2# %24 & 3 4. E R of

Q: Convert the mass of zinc in the data table into moles of zinc using the atomic mass of zinc. Data…

A: We have given that  Mass of of zinc = 0.55g Molar mass of Zinc = 65.38g/mole  No of mole = Given…

Q: Information for Parts B, C, and D A compound is 80.0% carbon and 20.0% hydrogen by mass. Assume a…

A: Given, Mass of sample of the compound = 100 g Percentage of of each element in the sample of…

Q: 4. Make the following conversions and include an equation for each one: (a) 32 °C to °F (b) -8.6 °F…

A:

Q: 48. How many molecules of caffeine, C4HSN2O, are there in 18 g of caffeine? a. 1.12 ×10E23 b. 1.05…

A:

Q: what is the mass of carbon in 16.0 g of methane? -please round atomic masses to the nearest tenth.

A: Molecular formula of methane is CH4. Now calculate its molecular mass. Atomic mass of Carbon is 12g,…

Q: What about the percent N in the ammonia ion NH4+?

A: Ionic weight of ammonium ion, NH4+ is 18.04 amu.

Q: 2) a) Write formulas for the figures. Dark circles represent element A and light circles represent…

A: Atomic element : Atomic element have single atoms as their basic unit. Molecular element : The…

Q: A copper ring is composed of 1.45×1023 atoms.1.45×1023 atoms. Calculate the mass of the ring in…

A: The mass of the ring in grams is to be calculated

Q: 1. Showing all calculations, determine the mass of copper in the Cu(NH3)4SO4 • H2O you made.…

A: Given: The mass of Cu(NH3)4SO4.H2O = 1.5787 g. The molar mass of Cu(NH3)4SO4.H2O = 245.79712 g/mol.…

Q: Assume that the molar mass of A is 82.93 grams per mole and the molar mass of E is 24.61 grams per…

A: Atoms are the smallest unit of the matter, anything which occupies space and has mass is known as…

Q: Element X forms three different compounds with element Y. Information about these compounds is…

A: We have to predict the formula for the other two compounds.

Q: If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one…

A:

Q: what is the mass of 1.08x10^22 molecules of SF6? pls, show how you got it.

A:

Q: D* (aq) + CO,-(aq)→ (s) +3H;O(1) HCI (g) + NH3 (g) → NH,CI (s) 2H2S(g) +302(g) → 2H,0(g) + 2SO2(g)…

A: Equation first :1 )  number of molecules of products is  more than that of reactant so entropy is…

Q: Find the mass in grams of C3H8O (isopropyl alcohol) that would contain 5.44x10^25 C atoms.

A: The question is based on mole concept. We have to calculate mass of alcohol present in the given…

Q: A certain organic compound has the formula C8H13O2. A sample of this compound weighs 5.89 grams.…

A: Mass of C8H13O2 = 5.89 g Molar mass of C8H13O2 = 141.184 g/mol Moles of C8H13O2 =MassMolar mass=5.89…

Q: Which sample contains the greatest number of atoms? (a) 15 g Ne (b) 15 g Ar (c) 15 g Kr (d) None of…

A: The mole concept is used to solve such problems. The mole concept was introduced by Avogadro to…

Q: How many carbon atoms are in 2 dozen molecules of Vitamin D, C56H88O2?

A: Vitamin D ( C56H88O2)  1 molecule of Vitamin D contains 56 carbon atoms.

Q: What amount of 0.38 M solution can be made from a296mL 4.65 M solution?  Answer should be in L…

A: Given, The amount of 0.38 M solution can be made from a296mL 4.65 M solution is:

Q: which has the correct number of atoms in one molecule of dichlorine momooxide A. contains three…

A: To determine No of Atom in a molecule, we must know the molecular formula of that molecule Then we…

Q: 6. (ii) One coin has a mass of 5.00g and contains 84.0% of copper, by mass. Calculate the number of…

A: Mass of one coin is = 5.00 g The percent of Cu in the coin is = 84.0 % The number of copper atoms in…

Q: 1. As of today Silver is trading at $27.10 per ounce. Recall that 1 ounce = 28g. If we mine 2.5x106…

A:

Q: Circle the best correct answer for the following multiple choice questions: 1) How many aluminum…

A:

Q: You have 1 mole of oxygen (O₂) gas and 1 mole of ammonia (NH3). Which has more mass? 1 mole of…

A: We are given 1 mole each of Oxygen gas, O2 , and ammonia, NH3.

Q: 1. How many grams are present in 12 atoms of Potassium? a. 7.8 grams b. 3.91 x 10-22 grams 39.1…

A:

Q: Find the mass of 1 molecule of Li H in gram. a. 7.949 b. 1.32 x1023 С. 4 d. 1.32 x10-23

A:

Q: 5. The term mole is a unit used to represent (1) density of particles (2) an element or compound's…

A:

Q: 1. 6.02 x 1023 is called a. Avogadro's number. b. Newton's C. Aristotle's d. Planck's mass. 2. The…

A: Avogadro's Hypothesis:- 1 mole of substance = 6.02*1023 particle

Q: 16. While cleaning your attic, you find your old rock collection. If 74.2% of the rocks have a mass…

A: If a substance is present in more than one form then average mass of that substance given by…

Q: O Cs20 > SnO2 > MgO > P4010 > Cl207 O C,0, > P4010 > SnO2 > Cs20 > MgO O MgO > Cs20 > P4010 > SnO2 >…

A: Applying concept of metalic character and electronegative of central atom.

Q: Calculate the mass of 816 molecules of Cu(NO3)2.

A: We know , 1 mole of substance = 6.022 × 10²³ Molecules By using this relation , we can calculate the…

Q: What is the theoretical mass in grams of Cu2S, 159.16 g/mol, formed from 7.92 moles of copper?…

A: According to the stoichiometric calculation, 2 mole of Cu on reaction with S, will form one mole of…

Q: Ammonium sulfate, , is in fertilizer and replenishes nitrogen to the soil. What is the number of…

A:

Q: One millimeter of water contains about 20 drops. One gram of water contains 3.34x10^22 molecules of…

A: One millilitre of water contains about 20 drops. One gram of water contains 3.34×1022 molecules of…

Q: 2. A 0.9527 g sample containing only KCI and CaCl2 yielded 3.9802 g of dried Hg2Cl2. Calculate the…

A: Given the mass of sample = 0.9527 g Mass of dried Hg2Cl2 formed = 3.9802 g moles of Cl present in…

Q: sample of Ammonia gas ( NH3) has a mass of 76 grams. How many molecules are in the sample.?

A: Given mass of Ammonia is 76 grams  molar mass of NH3 = 17.031 number of moles= mass / molar mass =…

Q: Question 7

A: The molecular formula of acetic acid has to be determined.Molecular formula:The molecular formula is…

Q: A mole in chemistry is: a. a counting unit of 6.02 x 10²³ grams. b. a counting unit of 6.02 x 10²³…

A: We know that ,                    1 Mole = 6.023 x 10^23 atoms…

Q: 49.410% potassium, sulfur, and 30.32% oxygen are found to be in a sample found in an unlabeled…

A: The empirical formula of a compound does not give the definite proportions of the element in a…

Q: 13. What is the total number of atoms in each sample? b. 2.783 mol of methanol (CH3OH) d. 1.002 mol…

A: Hello, since your question has multiple parts, we will solve the first question for you. If you want…

Q: What number of atoms of carbon is in 1.00-carat diamond

A: Number of moles = mass/molar mass  Molar mass of carbon = 12.0107 g/mol  1 mol carbon contains 6.022…

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 85.2 grams. Tia wants…

A: Find the number of moles of gold present in the given sample. 196.967 g of gold forms 1 mole of…

Q: t2 = 20.9 Hns typ = 0.603/K k = 0•693 O: 693/20.9 0.693 K = E a.033 br

A: Half life It is the time when the Concentration becomes half of the initial Concentration

Q: Find the mass of 1 molecule of Li H in gram. O a. 4 O b. 7.949 O c. 1.32 x1023 O d. 1.32 x10-23

A:

Q: 5. Compound X is composed of 52.2% carbon, 13.0% hydrogen, and the rest oxygen, by mass. The…

A: Compound X contain C= 52.2%                                    H= 13%…

Q: Calculate the mass percent composition of each of the following Part A. 6.00 g of Si and 5.55 g of O…

A:

Q: Number of OO atoms in 5.25×10−3 molmol Al(NO3)3Al(NO3)3. Express the amount in atoms to three…

A: Given, 5.25×10−3 mol Al(NO3)3

Q: How many grams of MgBr2 are in 5.61 x 1022 molecules of magnesium bromide (MgBr2)? Mg = 24.01 g/mol…

A: To calctulate the grams of magnesium bromide in given number of molecules, we would use Avogadro's…

Q: A student used a piece of aluminum that had a mass of 2.583 grams, and treated according to the same…

A: Given:Mass of Al= 2.583 gramsChemical equation:2 Al(s) + 2 KOH(aq) + 4 H2SO4(aq) + 22 H2O(l) → 2 KAl…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.