What is the percent by mass of sulfur in SO1? Your Answer:

Q: ny moles c

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Q: How it is useful and important the knowledge of mass percent and morality calculation in healthcare…

A: Mass percent is the measurement of an element in the molecule,compound or tablet in case of…

Q: Calculate the mass in grams of a single water molecule

A: Water has the molecular formula of H2O. Molecular mass of water is the sum of atomic masses of…

Q: How many moles are in 1.05 x 1022 molecules of an unknown compound? Your Answer: Answer units

A: Here, we have to find the number of moles present in 1.05 × 1022 molecules of an unknown compound.

Q: How many grams of H2SO4 are present in 3.1*1027 formula units of H,SO4 ? Round your answer to 1…

A: 1mole  of H2SO4 contains 6.023×2023 formula units 1mole of H2SO4 --- 98grams

Q: Calculate the number of N atoms in 0.917 mg of NH4NO3. Answer in scientific notation.

A: GIVEN:Mass =   0.917 mgMolecular formula of the compound = NH4NO3Molecular mass  = 80.052 g/mol (…

Q: e empirical formula and the molecular formula

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Q: How many moles are in 56 g of C4N2? Your answer

A: The number of moles of an compound depends upon the mass of the compound. It can be calculated as…

Q: What is the percent composition of hydrogen in H2O? (Round your answer to 4 sig figs)

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Q: What is the percent by mass of nitrogen in NH4CI? (Do not include the %-sign in your answer. Report…

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Q: What is the percent mass of oxygen in NO3-

A: The  percent mass of oxygen in NO3- is calculated as,

Q: What is the mass of the sample?

A: Formula :-  q = mc∆T  Where : q = heat enery  m = mass of sample  c = specific heat of the sample…

Q: Calculate the number of N atoms in 0.549 mg of NH4NO2. Answer in scientific notation

A: We have to calculate the number of N atoms in 0.549 mg of NH4NO2.

Q: The percent by mass of oxygen in C3HsO is %. (Enter your answer to four significant figures.)

A: Percent mass of an element in a compound can be calculated by using the following formula: Percent…

Q: Which has more mass, a mole of potassium or a mole ofsodium? Explain your answer.

A: The atomic mass of the element is equal to the sum of the number of protons and neutrons present in…

Q: How many moles of NO, are in 9.1x1024 molecules of NO2? Round your answer to 1 decimal place. Your…

A: The number of molecules = 9.1 × 1024

Q: For the formula  K3N  What is the percent Nitrogen in the compound

A: Given, compound K3N Molar mass of K = 39 g/mol Molar mass of N = 14 g/mol

Q: What is the percent of sodium in sodium chloride?

A: Percent can be calculated using mass of sodium ( Na) and total mass of sodium chloride ( NaCl ).

Q: This is the chemical formula for hexanal: CH, (сH,) сно. Calculate the mass percent of hydrogen in…

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Q: Show all work for all parts of the question for full credit and use your units. Use 2 decimal places…

A: Interpretation -  For KNO3 ,  what is the molar mass - To determine the percentage composition in…

Q: What is the percent composition of carbon in carbon dioxide?

A: Required percent composition of carbon in carbon dioxide.

Q: One molecule of H2SO4 would have a mass in grams equal to?

A: Given, one molecule of H2SO4we are asked to calculate the mass of one molecule of H2SO4 in grams.

Q: Calculate the molar mass of C6H12O6. Show your work.

A: Molar mass = Sum of Atomic masses of all the atoms present in the molecule  Since in each molecule…

Q: What is the percent (by mass) of oxygen in citric acid, C6H8O7.

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Q: How many moles are contained in 251 grams of Fe2O3? First determine the molar mass of Fe2O3. Can…

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Q: number of moles of M

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Q: Which molecule has the highest percent by mass of hydrogen?

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Q: What is the percent by mass of sulfur in PASR? Enter your answer as a number without units. Your…

A: Mass percentage =( mass of sulfur/mass of compoun )× 100 Mass of compound = 380.41 g/mol  Mass of…

Q: What is the percent mass of carbon in H2C2O4?

A: Hydrocarbons are compounds made up of carbon and hydrogens. An organic acid is an organic compound…

Q: How many moles of N2O5 contain 4.8x1036 molecules of N2O5? In scientific notation

A: Moles can be defined in terms of number of particles as: moles = NNA where N is the number of…

Q: Determine the molar mass of Ca(OH).. Provide an answer to two decimal places.

A: General chemistry.

Q: The percent by mass of chlorine in C2 H5 Cl is %.

A: Percent by mass of Cl =( molecular weight of Cl/molecular weight of C2H5Cl) × 100%  Number of Cl…

Q: 35. Determine the percent ammonia, NH3, in Co(NH3)6Cl3, to three significant figures.

A: Percentage by mass of any element in its compound is the amount of that element divided by the total…

Q: What is the molar mass of Fe(OH)4? Your Answer: Answer units

A: Given compound: Fe(OH)4 We have to calculate the molar mass of this compound.

Q: moles H20

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Q: 47) Calcylate the percent listed first in the formulas by mass of element

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Q: A 78.0-g sample of an unknown compound contains 12.4 g ofhydrogen. What is the percent by mass of…

A: Given: Weight of the compound = 78 g Weight of hydrogen = 12.4 g The calculation of the % by mass is…

Q: What is the percentage by mass of a silver ring that has a mass of 12.0 g and contains 11.1 g of…

A: Total mass of the silver ring = 12g  Mass of pure silver in the ring = 11.1g  Formula to find the…

Q: What is the percent composition of carbon in methane, CH? Round off your answer to the nearest tenth…

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Q: What is the percent by mass of chlorine in calcium chlorate?

A: The mass percent describes the mass content of particular atom in a complete molecule.

Q: %. The percent by mass of bromine in PNBR2 is (Enter your answer to four significant figures.)

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Q: Determine the mass of one mole of sodium chloride.

A: Answer - the basic formula is - In the given question, mole of NaCl given =1. So here, mass = molar…

Q: This is the chemical formula for calcium phosphate: Ca,(PO,); Calculate the mass percent of oxygen…

A: Given :-  Chemical formula of Calcium phosphate = Ca3(PO4)2  To calculate :-  Mss percent of Oxygen…

Q: convert 3 moles of H, to molecules of H,

A: 1 mol = 6.02 x 1023 molecules 1 mol = molar mass

Q: The percent by mass of chlorine in is C,H; Cl %.

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Q: This is the chemical formula for acetone: (CH,),CO. Calculate the mass percent of hydrogen in…

A: The mass percent of an element is given as follows; Mass percent=mass of elementMass of compound×100

Q: ny moles

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Q: How many grams are in 7.8 mol of H2SO4. Round your answer to two decimal « Previous

A: Given  The molar mass of  H2SO4=98.079 g/mol. The molar mass of Fe          =55.845 g/mol. No. of…

Q: How many moles are in 2.57 x 1024 formula units of NaOH? Round your answer to 3 sig figs, and DO NOT…

A: 1 moles of any substance contains 6.022×1023 (Avagardo's number)atoms/molecules/ formula units of…

Q: Which has more molecules: 50 g of sodium nitrate or 50 g of sodium nitrite?

A: Given mass of sodium nitrate (NaNO3) = 50gMolecular mass of NaNO3= 84.995 g/molNumber of moles of…