7rite formulas for molecular compounds from names and vice versa (2 questions: 1) rite the name from the formula AND 2) write a formula from name)

Q: How many atoms are in 11.5 g Au

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Q: A student obtains 50.00 grams of calcium hydroxide.  Determine the number of hydroxide ions present…

A: The chemical formula of calcium hydroxide is Ca(OH)2. One molecule or unit of it contains one…

Q: 1. Calculate the mass in grams of a single oxygen molecule, 02.

A: Molar mass of O2 is 32.0 g/mol  We have to calculate here mass of 1 molecule of oxygen i.e. O2

Q: Analysis of a white solid showed that it contained 22.56% phosphorus and some amount of chlorine.…

A: Empirical formula of the given compound is PCl3.

Q: If the molecular mass is 395.7 g/mol, what is the molecular formula for this compound?

A: To determine the molecular formula , we need to calculate the n factor .  Then we multiply that n…

Q: Determine the number of atoms in 39.0 grams of sodium, Na

A: Molar mass = mass of 1 mole 1 mole = 6.022 x 1023 entities

Q: Determine the number of each type of atom in formula. CuSO4

A: Given: CuSO4

Q: Napthalene is an aromatic organic molecule that contains 10 carbon atoms and 8 hydrogen atoms. a)…

A:

Q: The elements X and Y form a compound that is 33.33% X and 66.67% Y by mass. The atomic mass of X is…

A: The number of mols = weight/ Molecular weight

Q: Determine the number of atoms in 39.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Mass of calcium = 39.0 grams Mass of 1 mol of calcium = 40.08 g. Number of atoms = ?

Q: what is the empirical formula of vanillin

A:

Q: Explain what the purpose of a subscription is in a chemical formula

A: The subscript is a number written outside the parentheses (brackets)  in a chemical formula.

Q: An Acid is a measure of the quantity of

A: Here the question not properly mentioned what to describe ,so i describe here the  acids, please…

Q: atoms

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Q: How many hydrogen atoms are in 23.7 g of water

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Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

A: The mass of constituents are , Na= 10.838 g, S = 7.557 g, O = 15.107 g, Molar masses are, Na=…

Q: How many copper atoms are in 2.35 g of copper

A: Molar mass of a substance is the mass of 1 mol of it. One mol of substance has Avogadro number of…

Q: 1.651 g of Silver is combined with 0.1224 g of oxygen. Find the empirical formula.

A: moles of silver combining = mass / atomic mass atomic mass of Ag = 108 g/mol Hence moles of Silver =…

Q: Calculate the formula mass of calcium carbonate.

A: The sum of atomic weights of the atoms present in the empirical formula of a compound is said to be…

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: Calculate the number of moles in a sample of chromium containing 5.00 * 1020 atoms and the mass of…

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Q: How many formula units of magnesium chloride are there in 5.2 grams?

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Q: How many grams of lithium will combine with 24.0 g of sulfur to form the compound LizS?

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Q: What atoms are most organic compounds composed of?

A: This question is related to general organic chemistry. In the question, it is asked that organic…

Q: You have a 20.0 g sample of silver metal. You are given 10.0 g of another metal and told that this…

A: The situation is possible or not has to be determined.

Q: calculate the number of atoms in 1.72 grams of barium

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Q: A compound is 24.7% calcium 1.2% hydrogen 14.7 carbon and 59.3% oxygen. Determine the chemical…

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Q: 10g of this compound has 6.1g of tin and 3.9g of fluorine, find the formula and name for this…

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Q: bscripts, coefficients, or both. Explain how you know.

A: Solution: In the atomic model basically we use ball and stick model to represent the nucleus of an…

Q: If a compound's formula mass was experimentally determined to be 58, the chemical formula could be:

A: Given is formula mass of compound is 58.We can find out chemical formula by using rule of 13.Rules…