QUESTION 4 A 1.50-g sample of NazSxO6 contains 6.68 x1021 sodium ions. Determine the value of x. Show all your calculations.

Q: Question 8: For sugar (C12H22011), what is the percentage of carbon, hydrogen and oxygen in the…

A: 8.  molecular formula of sugar = C12H22O11 Number of oxygen atoms in Sugar = 11 Number of carbon…

Q: An ionic compound MX3 is prepared according to the following unbalanced chemical equation.   M  +…

A: The number of moles of X2 (nX) is calculated using equation (1) in which N is the number of…

Q: Use the following chemical equation MgCl2(aq)  + 2AgNO3(aq)  →  2AgCl(s)  + Mg(NO3)2(aq) 1.000 moles…

A: According to given balanced reaction, 2 moles of silver nitrate will give 1 mole of magnesium…

Q: Be sure to answer all parts. How many total moles of ions are released when the following sample…

A: To solve this problem we have to calculate the number of moles.

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: 3. Sodium carbonate decahydrate Na CO₂ · 10H₂0 .

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Q: Another compound that is often found in kidney stones is calcium phosphate, Ca3(PO4)2(s). The two…

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Q: A compound of potassium had the following percentage composition: K 28.73%; H 1.481%; P 22.76%. The…

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Q: Imagine that you perform a combination reaction between 60.0 g of sodium metal (Na) with 10.0 g of…

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: A 19.33 g sample of Mo, 0,(s) is converted completely to another molybdenum oxide by adding oxygen.…

A: Mass of Mo2O3 = 19.33 g Mass of new oxide = 20.62 g

Q: A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and  0.440 g of…

A: To answer this first of all we have to convert grams into moles and we have to determine the simple…

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

A: Number of iron atom = 1 Mass percent of  Fe in the compound = 0.330 %

Q: Be sure to answer all parts. How many H atoms are in 58.5 g of isopropanol (rubbing alcohol), C3H₂O?…

A: Amount of isopropanol = 58.5 gm

Q: A 1.42 g sample of KCr(SO) XH20 was heated in a crucible to get a constant mass. The mass of the…

A: Formula to calculate mole is :-  Mole = mass÷ molar mass

Q: If  3.68 x 1021 formula units of sodium bromide are reacted with excess chlorine gas, how many…

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Q: A solution of ammonia and water contains 2.00×1025 water molecules and 7.60×1024 ammonia molecules.…

A: First we need to calculate the hydrogen atoms from both water and ammonia molecules. Then total…

Q: A beaker contains 48.948.9 mL of carbon tetrachloride (CCl4CCl4, density is 1.591.59 g/mL).…

A: Volume of carbon tetrachloride = 48.9 mL  Density = 1.59 g/mL  Density = mass ÷ volume

Q: Zinc phosphate is used as a dental cement. A 50.00-mg sample is broken down into its constituent…

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Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg3 (Si₂05), (OH)2 An…

A: 1 mole of A2B2 contains 2 mole A and 2 mole B

Q: One mole of water contains 6.022 × 1023 hydrogen atoms

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Q: Write the chemical formula for each compound, and then calculate the amount in moles in each sample.…

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Q: 1.A compound is composed of the elements C, H, O, and Br. Combustion analysis of a 6.17 g sample of…

A: The amount of CO2 formed from 6.17 g of the sample = 3.91 g The amount of H2O formed from 6.17 g of…

Q: empirical formula of bismuth chloride?

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Q: Maggie filtered out a sample of copper (II) chloride, CuCl2 from a local pond, and found its mass to…

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Q: An air conditioner compressor contains pure CClF3, also known as the refrigerant R-13. CClF3 has a…

A: We know that, density can be expressed as the mass per unit volume, i.e.…

Q: Read the information below, then answer the question. A laboratory assistant was experimenting with…

A: A laboratory assistant was experimenting with chemical reactions when she combined a small amount of…

Q: A balloon filled with neon gas, Ne, contains 9.870 x 1025 atoms. Use the molar mass of neon, 20.18…

A: Given,number of atoms of neon ( Ne ) gas = 9.870 x 1025 atomsmolar mass of Ne = 20.18 g/mol

Q: 2Na + Cl2 → 2NaCl. If I want to make 100.0 g of salt, how much elemental chlorine would I need?

A: First convert mass into molar mass  Then use mole-mole relationship  After getting mole of  Cl2 then…

Q: A 4-M sample of hydrochloric acid, HCl, has a density of 1.42 g/ml. What is the mass % (wt/wt) of…

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Q: Calculate the mass (in grams) of 4.59×1024 atoms of Cu. Calculate the number of atoms of Cu in 52.1…

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Q: 3. Suppose the reaction system has already reached equilibrium. Energy + 2NO(g) +O2(g) 2NO2(g)…

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Q: A 1.50-g sample of Na2SxO6 contains 6.68 ×10²1 sodium ions. Determine the value of x. Show all your…

A:

Q: A 4.00 g sample of a hydrate of nickel(III) bromide looses 0.793 g of water when heated. Determine…

A: It is given that the mass of hydrate of nickel (III) bromide is 4 gOn heating it losses 0.793 g of…

Q: Calculate the amount of  anions (in moles) in 8.6 g of magnesium perchlorate. Express your answer…

A: Magnesium perchlorate, Mg(ClO4)2 dissociates into three ions as given by the equation: Mg(ClO4)2 →…

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

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Q: Convert 9.83 x 1022 grams of X4Z4 into molecules/formula units of the same compound. (Assume that…

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Q: A 1.50-g sample of NazSxOs contains 6.68 x1021 sodium ions. Determine the value of x. Show all your…

A: The molar mass of Na2SxO6 would be: molar mass = 2(Molar mass of Na) + x(Molar mass of S) + 6(Molar…

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

A: Step - 1Formula for the compound = XBr3Means in 1 mol of compound 3 mol of Bromine are…

Q: Calculate the mass in grams of aluminum iodide (AlI3) when 23.40 g of aluminum (Al) reacted…

A: Given, 2Al + 3I2 →2AlI3 Mass of Al reacts = 23.40 g Mass of AlI3 = ? Note:  Atomic mass of aluminium…

Q: A 0.05 g drop of water contains 2.78 x 10-3 mol of water. How many molecules of water are in one…

A: This problem is based mole concept.Here, we have to find out the number of molecules of water in one…

Q: Calculate the amount of anions (in moles) in 24.4 g of calcium iodate. Express your answer with…

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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: A mixture contains the following cations: Ag+, Mg2+, Ni2+, Fe3+. Describe the necessary steps to…

A: Qualitative analysis is the analysis of compounds to find their respective cations and anions.…

Q: At 55 degrees Celsius, bismuth has a density of 8.808 g/cm3. Calculate the number of Bismuth atoms…

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Q: Convert 7.33 moles Ca(OH)2 to grams of Ca(OH)2

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Q: type of reaction

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.