1. How many grams of Ba" 2+ are present in 4.75 grams of barium nitrite? grams Ba2+

Q: How many grams of sodium are contained in 118.59 grams of Na2SO3 ?

A: 1.0 mole of Na2SO3 contains 2.0 moles of Na that means 126.0 grams of Na2SO3 contains 46.0 grams of…

Q: How many Mg2+ ions are present in 0.500 g of magnesium phosphate?

A: Magnesium phosphate = Mg3(PO4)2 Molar mass(MM) = 262  g Mass of Mg3(PO4)2 = 0.500 g Moles of…

Q: A tube of Thothpaste contains 0.76 g of sodium monofluorphosphate (Na2PO3F) in 100 mL. a)what mass…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: A Sample of pure Calcium fiuoride With a mass of 15.0g Contains 1.709 of calcium. How much calcium…

A: This question can be solved using proportion method as:

Q: How many grams of silicon are present in 2.78 moles of silicon dioxide?

A: Recall the data, moles of SiO2=2.78 moles mass of Si=?

Q: How many bromine atoms are present in 35.2 g of CH2B12?

A: Formula to calculate the number of atoms is as follows:- Number of atoms=Number of molecules×Number…

Q: How many grams of Al3+ are present in 4.12 grams of aluminum iodide?

A:

Q: Calculate the mass (in kilograms) of chlorine in 25 kg of each chlorofluorocarbon (CFC).a. CF2Cl2 b.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: lithium carbonate contains 18.8 lithium and is used in the treatment of mental illnesses such as…

A: The percent mass composition is also known as the mass percent also called as the percent by weight.…

Q: grams of Na+ (23 g/mol) are contained in 25 g of Na2S04 (142 g/mo

A: The question deals with the mole concept. Number of moles of a substance depends upon the amount of…

Q: A sample of water, H2O, has a mass of 57.2557.25 g. Calculate the number of water molecules in the…

A: we know that, 1 mole=6.023 x 10^23 molecules  1 mole= molar mass of any compound. molar mass of…

Q: How many grams of Pb2+ are presented in 2.65 grams of lead (II) nitrate?  How many grams of lead…

A: a) Pb2+ are presented in 2.65 grams of lead (II) nitrate = 1.66 gram b) grams of lead (II) nitrate…

Q: Which titanium-containing mineral, rutile (Ti O 2 ) orilmenite (FeTi O 3 ), has the larger…

A:

Q: How many grams of sulfur would be needed to obtain 85.4 g of CS2 ?

A:

Q: What mass of iodine monofluoride must be used to produce 30.0 g of nitrogen triiodide?

A: Given data,Mass of NI3=30gBalanced reaction for the preparation of NI3 from IF6IF+N2→2NI3+3F2

Q: A type of steel used for bicycle frames contain 5g of manganese in every 400 g of steel. How much…

A: Given: Mass of manganese in 400 g of steel = 5 g And total mass of steel in bicycle = 2200 g

Q: 9.) If 438g of Magnesium sulfate react with an excess of sodium chloride, how much magnesium…

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

Q: Calculate the number of moles of Magnesium ions, (Mg+2), in 80 g of Magnesium sulfate (MgSO4).

A: 1 mole = 6.022×1023 = Avogadro's number The number of moles of a substance is given by the formula…

Q: How many grams of chlorine are present in 45.0 g of CCl4?

A: Answer:- This question is answered by using the simple concept of calculation of mass of any element…

Q: How much would 2.4 x 1024 molecules of N2O5 weigh?

A: Moles=2.4*10^24/(6.022*10^23) = 4

Q: 8.95 x 1025 molecules of CCl4 to mol of CC14

A: Given that: Molecules of CCl4 = 8.95×1025 Mol of CCl4 =?

Q: Calculate the number of grams of sodium in 2.20 g of each sodium-containing food additive.

A: Sodium benzoate NaC7H5O2 Number of moles of a substance can be expressed as: Given mass of sodium…

Q: What is the molecular weight of Mg3(PO)2? 1S amu

A: Given compound is Mg3(PO4)2

Q: How many iron ions are present in 43.6 g of Fe203? Select one: O a. 1.64 x 1023 ions O b. 2.63 x…

A:

Q: How many grams of oxygen are needed to produce 95.6 g of aluminum oxide? ____Al(s) + ____O2(g)…

A: Given, Amount of Al2O3 produced = 95.6 g Formula Used,

Q: 3- calculate the number of ( 0 ) atom in 1.5 g of glucose (C,H12O6).

A:

Q: 30 How many grams of Mo(SO3)3 are in 1.60x1023 molecules of Mo(SO3)3?

A: Given, molecules of Mo(SO3)3 = 1.60*1023 Grams of Mo(SO3)3  = ? One mole on any substance contains…

Q: How many GRAMS of chromium(II) sulfite are present in 2.73 moles of this compound?

A: Given :-  number of moles of chromium(II)sulfite = 2.73 mol  To be calculated :-  mass of…

Q: Calculate the number of grams of nitrogen in 2.75 grams of AL(NO3)3

A: Since in each molecule of Al(NO3)3 we have 3 molecules of ion (NO3)- and each (NO3)- ion has 1 N…

Q: 1. How many grams of C are present in 3.05 grams of carbon tetrabromide ? grams C.

A:

Q: 2) sodium bicarbonate (s) → sodium oxide (s) + carbon dioxide (g) +

A: We have to tell which product is formed from thermal decomposition of sodium bicarbonate

Q: Calculate mass (in grams) of sodium in 8.5 g of sodium-containing food additive. Na3PO4 (sodium…

A: To calculate the mass of sodium in 8.5 g of  Na3PO4 (sodium phosphate)

Q: How many moles of water, H2O, are present in 75.0 g of H2O?

A:

Q: How many grams of NO2 are needed to make 1.5 g of N2?

A: Given :- mass of N2 = 1.5 g  To calculate :- mass of NO2 (in grams)

Q: Research suggests that a daily dose of 85 mg aspirin (molar mass = 180.17 g), may reduce a person's…

A:

Q: 1. What is the percent of oxygen in Al2(SO4)3?

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

Q: A.How many grams of calcium carbonate,CaCO3,are present in 2.06 moles of this compound? B.How many…

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

Q: 1. How many grams of Xe are present in 1.11 grams of xenon trioxide ? grams Xe. 2. How many grams of…

A: Xenon trioxide is a compound composed of two xenon atoms in +6 oxidation state and three oxygen…

Q: Which contains more sulfur: 10g BaS or 9.5g MgS?

A: We have to determine which contains more sulfur: 10g BaS or 9.5g MgS

Q: 1. How many grams of Mg are present in 4.04 grams of magnesium phosphate? grams Mgt. Mg²",

A: Given: Mass of magnesium phosphate (Mg3(PO4)2) = 4.04 g Molar mass of magnesium phosphate = 262.8582…

Q: How many grams of P are present in 2.92 grams of phosphorus triiodide ?

A: Molar mass of phosphorus triiodide (PI3) = 411.6872 g/mole Number of moles of phosphorus triiodide…

Q: 1.2.How many moles of sodium bicarbonate are present in the 5.00 g?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How many grams of Al3+ are present in 4.12 grams of aluminum iodide?  How many grams of aluminum…

A: To find the grams, number of moles should be calculated.  Moles = Given mass/ molar mass

Q: Calculate the mass of material in 0.11 moles of Na2CO3 ( Na=23, C=12,0=16).

A: The given can be solved by using the formula as; Moles=MassMolecular mass…

Q: 11.The Nicotine molecule has been found to have a molar mass of 162.1 g/mol and a composition of…

A: Empjirical Formula : It is a chemical formula of a compound where moles of each atom is represented…

Q: How many grams of potassium are present in 14.0 g of K2Cr2O7? O3.72 g 78.2 g O 1.86 g 07.0 g 0.716 g

A:

Q: what mass of lead is contained in 56.6g of lead(IV) fluoride?

A:

Q: What mass of sodium would be in a 124.56 g sample of sodium thiosulfate? Na2S2O3?

A: Introduction: Mass of  sodium thiosulfate = 124.56 g

Q: How many H2O molecules are there in a snowflake weighing 1 mg?

A:

Q: How many grams of C are present in 2.14 grams of carbon tetrabromide ?

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

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.