What is the Formula weight of calcium phosphate, sodium bicarbonate, sodium nitrate?

True or false, the molar mass of a substance is the total mass of all atoms in the chemical formula of that substance

When one formula unit of iron (III) sulfide decomposes into elemental iron atoms and sulfur atoms, how many atoms will be produced?

Question 6 of 11 Which of the following is the correct definition of a mole? A) the amount of a substance that contains as many elementary particles (atoms, molecules, or formula units) as there are atoms in exactly 12 grams of pure 12C. B) a mole is Avogadro's number C) a mole is more than a dozen D) a mole is equal to the number of atoms in one gram of any substance

In a sample of CaCl2 • 2H2O(s), the mass of water is ___ the mass of calcium.   Question 5 options:   greater than   equal to   less than

A compound is found to contain 9.224 % boron and 90.74 % chlorine by mass. To answer the question, enter the elements in the order presented above. QUESTION 1: The empirical formula for this compound is QUESTION 2: The molar mass for this compound is 117.2 g/mol. The molecular formula for this compound is

Researchers from the University of Cape Town in South Africa have discovered that penguins are able to detect a chemical released by plankton as they are being consumed by schools of fish. By following this scent they are able to find these schools of fish and feast on them. The chemical they smell is composed of 38.65% carbon, 9.74% hydrogen, and 51.61% sulfur. Determine the empirical formula of this compound. Type answer with following sequence of elements: CxHySz.

What is the molecular mass of tetraphosphorus trisulfide?

Aluminum is often used for the structure of light-weight bicycle frames How many atoms of Al are in 20.00 grams of Al? Identify the: — Given — Unknown — Unit Plan — Formula — Solution — Answer

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