How many millimoles are in 3.93 x 1025 bismuth(V) hydrogen carbonate formula units?

Q: A particular protein sample is found to have 1 atom of iron in its chemical formula. If the mass…

A: Mass percent expresses the solute concentration in any mixture. The division of weight of dissolved…

Q: Calculate the mass in grams of 1.23×10241.23×1024 molecules of methanol. The chemical formula for…

A: Given that, the molecules of methanol= 1.23 × 1024 Now, as per Avogadro’s law: 1 mol of methanol…

Q: Calculate the mass in grams of 1.90×10241.90×1024 molecules of Butane, C4H10.

A: Given:  Molecules of butane =1.90×10241.90×1024 molecules Standard data: The molar mass of butane…

Q: How many moles of hydrogen are in 3.06*10^-3 g of glycine, C2H5NO2

A: Avogadro’s number is used to determine the number of atoms present in 1 mol of an element.…

Q: A mixture is 19.9% NaCl, 21.0% CaCl2, and 59.1% NaBr. What mass of the mixture contains 0.485 moles…

A: mass of the mixture that contains 0.485 moles of chloride ions moles of sodium ions present in 24.0…

Q: 5.000 gram sample of hydrated beryllium carbonate, BeCO3·xH2O is heated according to the procedure…

A: To calculate the number of moles of H2O and BeCO3.

Q: What's the percentage by mass of Cl in MgCl2 if it  is 24.6% Mg by mass?

A: Intrdouction : %age by mass of Mg = 24.6%

Q: How many moles of formula units are present in 7.2×10^29 formula units of CaCl2?

A: Given: Numbe of formula units of CaCl2 = 7.2 x 1029

Q: What is the percent by mass of KClO3 in the original mixture

A:

Q: What is the mass in g of 100 molecules of CH2O?

A:

Q: Calculate each of the following quantities:(a) Total number of ions in 38.1 g of SrF₂(b) Mass in…

A: The number of moles is equal to the ratio of mass to the molar mass of the substance. The total…

Q: A salt water mixture was prepared by dissolving 6.98 g of NaCl in 96.1 g of water. What is the…

A: The mass percentage of a component in a given solution is defined as the mass of the component per…

Q: Use the References to access important values If needed for this question. For the molecular…

A: In this question we have to convert mole into molecule by some multiply.

Q: What is the formula (solve for x) for the original hydrated sample of copper (II) sulphate? You…

A:

Q: How many chloride atoms are in 32.3 g of CaCl2?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: 1.Ibuprofen is a compound used in painkillers. When a 2.174 g sample is burned in an excess of…

A:

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: Given that :-  saturated carboxylic acids has the general formula CnH2n+1COOH  Atomic weights:- 1) C…

Q: grams

A:

Q: An impure sample of table salt (NaCl) that was dissolved in water and treated with silver nitrate to…

A: Mass of the impure sample = 1.741 g  Mass of AgCl formed = 4.084 g

Q: Determine the quantity (g) of pure MgSO4 in 2.4 g of MgSO4•7H2O. Please show the steps.

A: The percentage composition of a compound is found by the comparing the mass contributed by the each…

Q: Cobalt(II) chloride forms several hydrates with the general formula CoCl2 ·x H2O , where  x  is an…

A: Here we are required to number of hyrate attached to the salt.

Q: Benzene, C6H6, is an important solvent and intermediate chemical in many chemical reactions. It is…

A: According to the mole concept, one mole of any substance related as - (1) 1 mole of the Substance =…

Q: how many moles are in 1.79x10^25 molecules MgCl2?

A: One mole of any molecule contains Avogadro number of molecules. Avogadro's number is 6.022×1023

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.