Analysis of 24.1 g of calcium oxide revealed that it contained 17.2 g of calcium. What mass of this compound would contain 60.0 g of calcium?

Q: What is the basis of distillation?

A: There are various techniques which are used for the separation of liquids. Some of these are…

Q: The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu. Why is this true?

A: Given : The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu.

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: A chemist heats a 6.4 sample of hydrated calcium sulfate, and finds that in the process, 3.4 grams…

A: Given data Ammount of hydrated calcium sulphate = 6.4 g Amount of water vapour lost = 3.4 g Reaction…

Q: What is the mass of 1.6x10^21 argon atoms?

A: Molar mass of Argon is 39.95 g/mol i.e 1 mole of argon = 39.95 g of Argon Number of atoms of Argon…

Q: A sample of trifluoroacetic acid, C2HF3O2, contains 32.1 g of oxygen. Calculate the mass of the…

A: Given,  Mass of O in a sample of C2HF3O2 = 32.1 g Calculate the mass of C2HF3O2 sample = ?

Q: What mass of nickel would contain 5.66 x 1021 atoms?

A:

Q: How many grams of iron are there in a sample of Fe3O, which has a mass of 8.338 grams?

A: The objective of this question is to find out the amount of iron in a given sample of Fe3O4…

Q: Determine the number of atoms in 69.0 grams of nickel, Ni. (The mass of one mole of nickel is 58.69…

A: One mole of any substance contains the avogadro's constant 6.022×1023 of molecules.

Q: A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride: 2Li + F2 →…

A: First convert mass into mole by diving molar mass respectively Then Calculate limiting reagent by…

Q: Unknown element, Element X, exists in nature as two isotopes: ^{351}351 X has a mass of 350.9196 u…

A: Average atomic mass=∑i=1n (mass of ith isotope)(%abundance of ith isotope)100 where 'i'…

Q: Matter is neither created nor destroyed in a chemical reaction. Thus, the mass of the products of a…

A:

Q: You wish to prepare 210 grams of 16.3 % Mg(NO3)2 You will need grams of magnesium nitrate and mL of…

A: Given that we have to prepare a 210 grams of 16.3 % MgNO32 solution. Recall the expression of mass…

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

A:

Q: A meteorite found in central Indiana contains traces of the noble gas neon picked up from the solar…

A: The average mass of an element can be defined as the sum of each individual isotope's mass…

Q: Consider the following reaction:  4 Al + 3 O2 →  2 Al2O3 A mixture of 82.5 g of aluminum and 117 g…

A:

Q: An aspirin tablet contains 81.0  mg of aspirin, which has the molecular formula, C9H8O4. How many…

A: The molar mass of aspirin is 180.16 g/mol. The amount of aspirin in the units of mol in 81.0 mg of…

Q: In an experiment 0.500 g of nickel reacted with air to give 0.704 g of nickel oxide. What is the…

A: Given data,Mass of Nickel=0.500gMass of Nickel oxide=0.704gMass of oxygen=Mass of Nickel oxide-Mass…

Q: A sample of water, H20, has a mass of 38.0 g. How many atoms of oxygen are in the sample? (oxygen…

A: Given,the mass of water ( H2O ) = 38.0 gatomic mass of H = 1.00 g/mol , O = 16.0 g/molAvogadros…

Q: Two different compounds are obtained by combining nitrogen with oxygen. The first compound results…

A: First we need to calculate the mass ratio of O to N in first and second compound by using the mass…

Q: The density of solid Fe is 7.87 g/cm3. How many atoms are present per cubic centimeter (cm3) of Fe?

A:

Q: A sample of C3H8 has 8.00×10^24 H atoms. How many carbon atoms does the sample contain?  What is…

A: Given :- number of H atoms = 8.00 × 1024 atoms  To be calculated :-  No. of C atoms in sample…

Q: Carbon and oxygen form no fewer than five different binary compounds. The mass percentages of carbon…

A: All five compounds are made up of Carbon and Oxygen. As the percentage mass of Carbon of the five…

Q: Determine the number of atoms in 47.0 grams of nickel, Ni. (The mass of one mole of nickel is 58.69…

A: The relation between mass and number of atoms:                        Mass (g)molar mass gmol=Number…

Q: Lithium forms compounds which are used in dry cells, storage batteries, and in high-temperature…

A: Given : Atomic mass of Li = 6.9412 amu Isotopic mass of 6Li isotope = 6.015123 amu  And Isotopic…

Q: A 6.167 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A:

Q: What mass of potassium gold cyanide, KAu(CN)2, contains 311 g (10 ounces) of gold?

A:

Q: A solid cube of aluminum (density 2.70 g/cc) has a volume of 0.200 cc. It is known that 27.0g of…

A: Given,  The density of aluminum = 2.70 g/ cc The number of atoms present in volume 0.200 cc. of a…

Q: How many grams of pure copper(1) oxide would contain 5.656x1022 atoms of copper?

A:

Q: From a 2.650 g sample containing only iron, sand, and salt, 0.651 g of iron and 1.048 g of sand were…

A: The total mass of the sample is = 2.650 g The mass of iron is = 0.651 g The mass of sand is = 1.048…

Q: You wish to prepare 207 grams of 14.7 % Ca(NO3)2. You will need grams of calcium nitrate and mL of…

A: Given mass of solution = 207 gm

Q: A 42.0 g sample of compound containing only C and H was analyzed. The results showed that the sample…

A:

Q: A compound responsible for the odor of garlic has a molecular weight of 146 g/mol. A 0.650 g sample…

A: The molecular formula represents exact number atoms present in a compound. An empirical formula…

Q: examples

A: Carbon based nanomaterials such as fullerene, carbon fibers, carbon nanotubes, nanodiamonds are…

Q: A certain organic compound has the formula C9H11O3. A sample of this compound weighs 3.4 grams.…

A: The formula of the organic compound is C9H11O3. The molecular mass of the organic compound=9 x 12 +…

Q: A sample of C, H, has 4.64 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A:

Q: Calculate the mass, in kg, of sample. 1.22x10^27 manganese atoms

A:

Q: A 11.90 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: The molar mass of unknown organic compound is 62.07 g/mol. The amount of unknown organic compound is…

Q: From this data, what empirical formula of magnesium oxide.

A: Mass of oxygen added = 35.1556 - 35.0079 g Mass of Oxygen = 0.1477 g Moles of oxygen = mass / molar…