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

Q: 8. How many oxygen atoms are contained in 5.25 g of NO2 gas?

A:

Q: How many moles of Carbon (C) will be formed, given 0.1175 moles of Silicon (Si)? * 2 CO + 1 Si –1…

A: The mole is the measurement unit for the quantity of the material in the International System of…

Q: How many moles of Ca(OH)2 are present in 370.47 grams of Ca(OH)2?  2  3  5  6

A:

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: Consider a 0.336 gram sample of H20 and determine the hydrogen's mass.

A: given :-  mass of sample of water = 0.336 g  To calculate :-  mass of H in the sample of water

Q: Equivalent weight of Al(OH)3 is а. 39 g O b. 27 g O c. 78 g O d. 26 g

A: Option d) 26 g

Q: how many moles of zinc are present in a 79.5 gram sample of naval brass?

A: Naval Brass is a 60:40 copper zinc alloy to which about 1% of tin has been added to improve the…

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: What percent of Potassium Sulfate Hexahydrate is the Potassium? o 11.34% o 56.73% 4.25% 27.65%

A:

Q: A Freon™ leak in the air conditioning system of a large building releases 12 kg of CHF2Cl per month.…

A:

Q: How many grams of carbon are present in 67.9g of C3H3? Atomic weights: C = 12 H= 1 55.6g 25.5g 22.6g…

A:

Q: If a particular ore contains 55.9% calcium phosphate, what minimum mass of the ore must be processed…

A: Molar mass of calcium phosphate is sum of atomic masses of all atoms present in it.

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: 1b. The compound NaHCO, is commonly known as baking soda. A recipe requires 1.6g of baking soda,…

A:

Q: following terms will be present in the balanced molecular equatio A. HNO:(ag) 3HNO3(aq) В. 2FEPO4(s)…

A: Since u have posted multiple questions . We will solve the first question for u. To get te remaining…

Q: The figure (Figure 1) shows the reaction of element A (lavender spheres) with element B (tan…

A:

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

A:

Q: Calculate the number of moles in sample. 25.2 kg C2H2

A: Mass of C2H2 in sample  25.2 kg Then molar mass of C2H2 is calculated Then by using mass and molar…

Q: How many vanadium atoms are contained in 158 kg of vanadium?

A: 1 mole of substance contains 6.022 x 1023 atom.

Q: How many moles of hydrogen (H) is present in 9.8g of water. atomic weight  H= 1 O= 16

A:

Q: Question attached

A: Avogadro number It is a unit of 1 mole of a substance. 1 mole of any substance contains 6.02×1023 of…

Q: If a student weighs 11 g of aluminum and needs twice as many atoms of magnesium as she has of…

A: 1 mole = 6.022×1023 [Avogadro's number ]  The mass of one mole of atoms of an element is known as…

Q: Citric acid, C HO,, is found in many fruits How many H atoms are contained in 0.1g of citric acid…

A: Given data contains, Mass of citric acid is 0.1 g. Molar mass of citric acid is 192.124 g/mol. The…

Q: 5. One carrot contains 0.75 mg of Vitamin A (C20H300) a) How many moles of Vitamin A is this? b) How…

A: Molecular formula of vitamin A = C20H30O Mass of vitamin A in one carrot = 0.75 mg = 0.75 × 10–3 g…

Q: How many grams of magnesium are required to produce 4.380 kg of Si? (At mass: Mg324.31: Si-28.09)…

A:

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: The total number of atoms in Ca(OH)2

A: Ca(OH)2 is a base and its name is Calcium hydroxide. Atom is the smallest entity of any element and…

Q: A Freon leak in the air-conditioning system of a large building releases 12 kg of CHF2Cl per month.…

A: The ratio of the given mass to the molar mass is called as moles. Mathematically, Given, Mass of…

Q: EF and MF

A:

Q: Given the reaction shown below and its corresponding graph, which line represents represents…

A: Given balanced reaction: 2NH3 (g) →N2 (g) + 3H2 (g) Given concentration vs time plot:  We have to…

Q: How many atoms are present in a Mg sample with a mass of 14.6 grams?

A:

Q: How many grams of LizN can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 6 Li (s) +…

A:

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

A: Solution Ba(NO3)2 is associate degree chemical compound with chemical name atomic number 56 nitrate.…

Q: b. 26. Identify Which of the following formulas are incorrect? Explain your answer. a. Mg, (SO4)3 b.…

A:

Q: Identify the type of reaction that is occurring in the video (represented by Darlene's equation…

A: The given reaction is, Pb(NO3)2 + 2KI → PbI2 +KNO3 To identify the type of reaction and to find, how…

Q: 10 gram sample of which substance contains the greatest amount of hydrogen atoms A. 10gCH4…

A:

Q: what mass of NaOH is needed to form 55.7 g of sodium sulfate?

A:

Q: them from smallest to largest by mass. 0.75 mol H20(liq) 7.0 g N2(g) 0.55 mol Ar(g) 0.45 mol N2(g)

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: How many grams of each iodine is present in 45.56 grams of Pbl2?

A:

Q: calcuya te 6011owing (a) ob molecues in 0•250 moles ob NH3 Num ber un

A: According to mole concept, 1 mole of any substance is equal to the Avogadro number (6.022 × 1022)…

Q: 6. Find the percentage by mass of the elements in sodium sulfide Na2S (to the nearest 1%) Omit the %…

A: Element percentage = Individual massTotal mass× 100 % Here atomic mass of Na = 23 u and atomic mass…

Q: How many grams of water(18g/mom) would contain 6.54*1024 hydrogen atoms?

A: The number of hydrogen atoms present in one mole of water is calculated as

Q: A chemist is testing for lead content in water samples taken downstream from a battery manufacturing…

A: We have to predict whether water is safe to drink or not.

Q: Which contains more atoms? 10g of He 10g of H2O 10g of Ca

A: Given, 10g of He 10g of H2O 10g of Ca

Q: How many total atoms of all kinds are present in a 39 gram sample of CaF2?

A: Molar mass is the mass of 1 mole substance. Molar mass of CaF2 is 78.07 g/mol.

Q: List the elements in the compound CCl2Br2 in order of decreasing mass percent composition.

A: Mass percent composition can be expressed as the ratio of mass of the element in 1 mole of a…

Q: . How many oxygen atoms are in 328g Ca (NO3) 2.

A: 12 oxygen atoms are in 328g Ca (NO3) 2. Formula =Ca(NO3)2=Ca(NO3)2 Molar mass…

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.