How many milligrams in a gram? O 0.01 O 101 O 10,000 O 10 O 0.0001 O 0.1 O 103

Q: Cyclohexane C6H12  (given: density= 0.77g/ml) Mass:84.9 g How many moles, molecules and total atoms…

A: I am providing you an image where you can have all the explanations related to this problem please…

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: We know that   To find the percentage by mass of each element in the given compounds we have to use…

Q: What is a Coefficient used in the formula below? 4Fe, (CO,)5 3.

A: In mathematics co-efficients are usually a number which is used as a multiplying factor and placed…

Q: How many milligrams in a gram? O 0.01 O 10* O 10,000 O 10 O 0.0001 O 0.1 103

A: How many mg in gram ?

Q: Which mathematical statement is incorrect for the dilution process? * C1 > C2 O v2 = Vsa + V1 O v1…

A: According to the dilution equation we just change the volume of the solution without altering the…

Q: The number of moles in 10.0 grams of CO2 is: Choose the answer with correct significant figures.…

A: Given, mass of CO2 = 10.0 g  We know that, molar mass of CO2 = 44.01 g/mol Number of moles can be…

Q: 1. Use chemical symbols to generate the factor needed to convert the weight of the substance in uie…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: How many molecules of carbon dioxide, CO2, are in 4.77 x 10.2 g of the molecule? O1.26 x 1024…

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Q: how many grams of carbon dioxide will be made from 7.4x10 to the 23 power molecules of oxygen?…

A: First convert molecules into moles. 6.022 × 10²³ molecules = 1 mole of oxygen 1 molecules= 1÷6.022 ×…

Q: Use the meaning of the prefix "nano-"  to select the value of "x" in this equation:…

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Q: How does the mass of 1 piece one-peso coin compare with the average mass of the coin in 2? What may…

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Q: The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one…

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Q: 102.2 g NaCl = _______________ mol NaCl

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Q: One mole of oxygen gas has a mass of 6.022 x 1023 16.0 32.0 none of the above 8.

A: One mole of oxygen gas is equal to = O2 (two atoms of oxygen ) One oxygen atom = 16 g

Q: ce the equation below using the smallest set of whole numbers. What is the coefficient of H₂O?…

A: A balanced chemical equation is an equation in which an equal number of atoms of each element are…

Q: From the following formula for 1000 capsules, calculate the quantity of each ingredient required to…

A: Simple calculations using unitary method of mathematics will be used to calculate the quantity of…

Q: 49.4 g of Cr represents how many atoms?  4.27 x 10^-21 atoms  0.950 atoms  5.72 x 10^25 atoms  2.97…

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Q: If 30.2 mL of 6M HCl are involved in the Grignard reaction, how many moles of HCl are involved in…

A: The formula relating the molarity of a solution with the moles of solute and volume of the solution…

Q: (A)18.7g NO2 express your answer in moles to three significant figures.  (B)1.88 kgCO2  express…

A: Answers are in step 2

Q: The chemical equation shown is unbalanced. WCIĄ(s) + Na2S(s) -> WSn(s) + NaCI(s) The subscripted…

A: Subscripted number is decided by the valency of the element forming the bond. Central element and…

Q: How many significant figures should your answer have? 8.101 + 0.10 = O 1 O 2 O 3 O 4 O 5 O 6 O 8

A: In addition, significant figure of answer will be equal to less significant figure in all given…

Q: 2) Mel 1.) 3.) H;0“, H;O Molecular Sieves b.) 1.) c.) 1.) a) 1.) H. 2)

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Q: 18/8 stainless steel is made up of 18% (m/m) of chromium and 8% of (m/m) nickel in iron. What mass…

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Q: a chemist adds 0.75L of a 0.69M nickel(II) chloride NiCl2 solution to a reaction flask. Calculate…

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Q: An analysis of a compound shows that it contains 19.8 g of Carbon, 2.50 g of hydrogen, and 11.6 g of…

A: Please find your solution below : Percentage composition of any element gives the information about…

Q: AG° = 479 kJ 6. 2NO9 + 3H2O> 2NH3) +O2(@) 7. 2HBrg) → H2(g) + Brz(g) AG° = 110 k) AG° = 2.6 kJ 8.…

A: Gibbs free energy:-          In thermodynamics, the Gibbs free energy is a thermodynamic potential…

Q: How many grams of O are in 565 g of Na, O? mass: g * TOOLS X10

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Q: O XCI2(aq) + O AGNO3(aq) X(NO3)2(aq) + O AgCI(s)

A: According to the law of conservation of mass, the quantity of each element does not change in a…

Q: 5. How many grams of Oxygen are needed to make 7.1 g of Chlorine? SeCl6 + 02 --> Se02 + Cl2 O 1.1 O…

A: Gien mass of Cl2 produced= 7.1 gThe given balance reaction is:SeCl6 + O2  → SeO2 +3 Cl2 1 mol of O2…

Q: A student measures 0.3850 g of a mixture of sand and sodium carbonate. At the end of the experiment,…

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Q: g of magnesium hydroxide (58.3196 u) is produced when 3.69 g of magnesium (24.3050 u) is added to…

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Q: 8. magnesium sulfide + nitric acid > Normal: MeS(ag) + 2HNO3(3g) Mg(NO3)2(ag) +H2S(s)

A: Maghesium sulfidet nitric acid → The normal equation can be written asNormal:Mgs (aq)+ 2 HNO3 (aq) →…

Q: 3. A 5-peso coin was placed on top of a watch glass and their mass was recorded as 45.68 g. The mass…

A: Initially, mass = 45.68 g Empty watch glass mass = 39.86 g

Q: The chemical formula for dimethyl ether is: CH;OCH3 Calculate the molar mass of dimethyl ether.…

A: The chemical formula of dimethyl ether states that one diethyl ether molecule contains two carbon…

Q: 18. What is the number of grams of N2(g) that contains 9.02 x 1023 molecules? A. 18.7 grams B. 42.0…

A: Given the number of molecules of N2(g) =9.02×1023 moleculeswe are asked to calculate the amount of…

Q: What is the mass in grams of 7.73x10^24 molecules of CO2? Please express in decimal form How many…

A: Molecules of CO2 = 7.73 x 1024  Mass of CO2 = ?

Q: A student finds that they have 0.2545 g of NH4Cl, 1.1502 g of NaCl, and 1.0181 g of SiO2. Calculate…

A: Given  mass of NH4Cl = 0.2545g mass of NaCl = 1.1502 g mass of  SiO2 = 1.0181 g Initial mass if…

Q: Which of the following is equal to 6.022 x 10^23 molecules? * 31.98 g Q_2

A: We will choose Correct statement

Q: When the following equations are balanced using the smallest possible integers, what is the number…

A: Balancing the reaction is not very tough.  Here we have to eqalise the things on both side.

Q: In the expression, 3CaBr2. O 3 is a subscript and 2 is a coefficient O 2 and 3 are subscripts O 2 is…

A: Ionic compounds are formed by the transfer of electrons from cations to anions. In the ionic…

Q: Find the percentage by mass of oxygen (O) in N2O3 if it is 36.9% nitrogen (N) by mass. (Round your…

A: Percentage by mass of an element in a given compound can be calculate by the formula,     percentage…

Q: Calculate the mass in grams of K in 38.2 g of KCl

A: Given is,  Mass of KCl= 38.2 g We know , Molar masxof KCl = 74.5513 g/mol Molar mass of K= 39.0983…

Q: 13) If a 25 kg LPG tank is 30% butane (C4H10) , how many molecules of butane are contained in the…

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Q: O 19.7 M O 0.255 M O 0.0655 M O 0.780 M

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Q: A sample of a compound has a mass of 41.13g. The sample is found to contain 37.28g of carbon and…

A: Percent composition of the compound is described as the percent of mass of each component of the…

Q: A sample of 7.89 g of Mg(OH)2 is added to 24.6 mL of 0.190 M HNO3. How many moles of Mg(NO3)2 are…

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Q: Answer the following questions regarding this chemical reaction: Cu(s) + HNO3(aq) -->…

A: The given chemical reaction is: If you have 32.5 g of Cu, the amount Cu(NO3)2 that is produced is…

Q: A chemist adds 195.0mL of a ×2.7e-5M zinc oxalate (ZnC2O4) solution to a reaction flask. Calculate…

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Q: A chemist determined by measurements that 0.0300 moles of beryllium participated in a chemical…

A: Since mass = moles X Atomic mass And Atomic mass of beryllium = 9 g/mol