13. What is the total number of atoms in each sample? b. 2.783 mol of methanol (CH3OH) d. 1.002 mol of SeBr2O a. 0.431 mol of Li c. 0.0361 mol of C0CO3

Q: Determine the number of atoms in 0.715 g of gold.

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

Q: Determine the mass in grams of 5.28 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Given, Number of barium atoms =5.28×1021 atomsmass of one mole of barium =137.33 gwe are asked to…

Q: An experiment requires that enough ethanol be used to yield 14.0 g of oxygen. How much ethanol must…

A: Theoretically, two moles of ethanol (C2H5OH) are required to produce one mole of oxygen gas from an…

Q: A 1.836 grams sample of coal contains 1.584 g of carbon.  What is the percent composition of carbon…

A:

Q: A birthday party has many balloons. One of the balloons has 25 grams of helium, while another…

A:

Q: Can I have at least two reason why. The mass of the mgo formed could be higher than expected

A: To find: Why the mass of MgO formed could be higher than the expected.

Q: 9. Consider the following compound: FeCl, a. What is the name of the compound? ( b. What is the…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: x, x A 2 A- T Normal I No Spac... Heading 1 Heading 2 Title Font Paragraph Styles 5. Ca:(PO4)2…

A:

Q: Calculate the mass, in grams, of 752 atoms of lithium, Li (1 mol of Li has a mass of 6.94 g). with…

A: Number of moles = Given number of atoms NA

Q: You have a sample that contain 5 moles of zinc. A)what is the mass of zinc in the sample?

A: moles of Zn= 5 mol mass of Zn=?

Q: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

A: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

Q: Sonya is working in the lab. She measures an initial 10 g of Silicon into a beaker weighing 27…

A: Following information given in the question is - Mass of silicon = 10 grams Mass of beaker = 27…

Q: on is 1.00 g/mL. The molar mass of LizPO, is 115.79 g/mol and the molar mass of H20 is 18.02 g/mol.…

A:

Q: How many atoms of He are in 2.59 moles of He? In scientific notation

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: A) Suppose one molecule of Chlorophyll X contains 5 oxygen atoms. Chlorophyll X is 8.95% oxygen by…

A: Molecular mass of Chlorophyll X can be found out by using the mass percentage of Oxygen and number…

Q: A sample of pentane contains 420 g carbon and 84 g hydrogen. Find: 1. total mass of sample: 2. …% of…

A: Pentane is a hydrocarbon with the formula C5H12. It is an alkene containing 5 carbons and 12…

Q: (c) Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: A compound containing copper and chlorine contains 0.01026 moles of copper and 0.01721 moles of…

A:

Q: A sample contains 27.1 g of calcium oxide. How many moles of calcium oxide are in the sample ? a.…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: A typical "lcad" pencil is actually made from carbon. If the carbon in the pencil weighs 1.50 gram…

A: Number of moles of a chemical compound is used to measure the amount of compound in the given…

Q: Aluminium has a density of 2.70 | g/cm3 . How many moles of aluminum are in a 13.2 cm3 block of the…

A: Density :- Density of a substance is its amountof mass per unit volume . So , density is the…

Q: How many moles of calcium atoms do you have if you have 7.92 × 10²¹ atoms of calcium. (The mass of…

A: Given: Atoms of calcium is 7.92 × 10²¹ Mass of one mole of calcium is 40.08 g.

Q: e number of atoms in

A:

Q: Find

A: Molar mass of NO2 = ( molar atomic mass of N ) + 2 • ( molar atomic mass of O )  Molar mass of NO2 =…

Q: A friend asks you to help her find the percent composition by mass of ethane (C,H). She says that…

A:

Q: Determine the mass in grams of 2.25 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55…

A:

Q: Determine the number of atoms in 31.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Interpretation-  To determine the number of atoms in 31.0 g of calcium ( Ca ) molar mass is already…

Q: What mass of barium bromate, Ba

A:

Q: Galena, a mineral of lead, is a compound of the metal withsulfur. Analysis shows that a 2.34-g…

A: (a)

Q: A certain ore is 30.3% nickel by mass. How many kilograms of this ore would you need to dig up to…

A: Introduction: We have to calculate the mass of ore.

Q: The formula of cupric sulfate is? A. Cu(SO4)2 B. CuSO3 C. CuSO4 D. Cu(SO3)2 Q2: A silicon chip has a…

A: Cupric means copper in +2 oxidation state and the chemical formula of sulphate ion is SO42-

Q: Aluminum has a density of 2.70 g?cm3 . How many moles of aluminum are in a 13.2 cm3 block of the…

A: Given:- Density (S) = 2.70 gm/cm3 Volume = 13.2 cm3 So that                 S = mass / volume…

Q: Determine the number of atoms in 30.0 g of As.

A: 1 mole of a substance contains Avogadro's number of molecules.

Q: A. Calculate the number of moles for B. Calculate the mass of the each given. 1.) 45g of table sugar…

A: Given: Mass of sugar = 45 g Moles of nitrogen gas = 2.7 moles Standard data: The molar mass of…

Q: All you know about two unknown compounds is that they have the same percent by mass of carbon. With…

A: The compounds are made up of the combination of different elements. Any compound is not formed by…

Q: One mole of O, has a mass of 16.0 g. Select one: O True O False

A: According to mole concept, 1 mole of a substance is equal to its molar mass. Therefore, first of…

Q: moles ot

A:

Q: e, what minimum mass of the ore m

A:

Q: A 85.6 g sample of Fe3O4 reacts with 18.2 g of CO to form FeO and CO2. Fe3O4(s) + CO(g) ----->…

A: We have to find out the mass of FeO formed after burning of 85.6 gram of Fe3O4

Q: the calculated number of molecules of calcium carbonate (CacO.) in a piece of chalk, determine the…

A: From the calculated number of molecules of calcium carbonate (CaCO3) in a piece of chalk, determine…

Q: What is the mass of 22.8 moles of copper atoms? Round your answer to the nearest hundredth. Be sure…

A: Given : Moles of copper = 22.8 mol Atomic mass of Cu = 63.546 g/mol

Q: Convert mass % to grams (assume 100gexactly)•Convert grams to moles.•Write simplest ratio of the…

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: You have 15.31 g of an unknown compound. Through analysis, you have determined that this sample…

A: Mass percent can be calculated as follows:

Q: 30. A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl. Another sample of…

A: given data = a sample compound only containing S and Cl S = 2.72 g, Cl = 6.04 g another sample of…

Q: Q 7) If the mass of barium sulfate is 0.372 g, find the number of the moles.

A:

Q: 47.00 g sample of MgCO3.XH2O is heated to move away the water. After that, the total mass was…

A: It is given that 47 g of sample is heated and the mass of the sample left is 22.74 g,

Q: How many moles of calcium atoms do you have if you have 8.20 * 10 ^ 21 atoms of calcium. (The mass…

A: In 1 Mole of any substance, we have 6.023*1023 atoms of that substance.

Q: Determine the mass in grams of 5.15 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A: Molar mass of any substance is the mass of one mole of substance and one mole of substance contains…

Q: Aluminium has a density of 2.70 g/cm3. How many moles of aluminum are in a 13.2 cm3 block of the…

A: a) Density of Al = 2.7 g/cm3 We are having 13.2 cm3 Al Mass of Al = 2.7 g/cm3 * 13.2 cm3 = 35.6 g Al…

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red. 

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.