In the compound CGH1303, what percent by mass is hydrogen? In Na2CO3, what percent (by mass) is C? Round your answer to 2 decimal places. In the compound C6H1402, what percent by mass is carbon? Round your answer to two decimal places.

Q: In terms of mass, calculate the percentage of the active ingredient for each of the following…

A: Mass percentage is defined as the total mass of the substance( here active ingredients) divided by…

Q: Draw a stepwise mechanism for each reaction.

A: The possible stepwise mechanism for the reaction is shown below.

Q: Which scale is most useful for reporting data from the spectrometer? Why?

A: The two scales used for analysis in UV spectroscopy is percent transmittance and absorbance.

Q: High fructose corn syrup is used industrially as a sweetener in everything from carbonated beverages…

A:

Q: 71/2 0.032 kg mol1 (0.032 kg mol¯)(300 m s-1)2 ] exp -1 [27(8.3145 J K-1 mol)(300 K) 2(8.3145 J K-l…

A:

Q: complete the percent by mass of each element in the compound to one decimal.  a. C12H22O11 b. K2CrO4…

A:

Q: C6H15N Express your answer in atomic mass units to two decimal places . KMnO4 Express your answer…

A: Calculation for molar mass of C6H15N: molar mass of C6H15N = (6×12.0107+15×1.0078+1×14.0067) molar…

Q: 2) Ar0, H201D 1) CH3I, cx cess,

A:

Q: Unknown D: In a clean and dry crucible with cover, weighing 25.234 g some of the unknown hydrate…

A: Given: Unknown hydrate CaCl2.nH2O Weight of clean, dry crucible cover =25.234 g Mass after placing…

Q: A) N2 + H2→__ NH3 5-- --- B) KCIO3 → KCI + 02 51- - C) NaCl + F2→ NaF + Cl2 D) C3H18 + CO2 + H20 ---…

A:

Q: 1.66 Carry out each calculation, paying special attention to sig- nificant figures, rounding, and…

A: The significant figures refer to particular digits in a number. According to the measurement rule,…

Q: Calculate the mass of 0.11 moles of Cu(NO3)2. grams Give your answer to 2 decimal spaces.

A: Given that , No. Of moles of Cu(NO3)2 = 0.11 moles

Q: tफ्रिण कावड8 ली मत्च ड Prव्वेपण््dं wh उ.न्0 कd oकी ताक जC के Cागटर्नथेप क मकट Fगीvप्aणश कलललह व…

A: Given-> Mole of Cl2 = 3.00 mole Molar mass of HCl = 36.46 g/mole

Q: How many grams of CCl4 will contain 36.00 g of carbon? express your answer in decimal notation.

A: Mole of carbon tetrachloride is equal to mole of carbon

Q: If you have 52% silicon dioxide in a 12.09 g sample, what mass of silicon dioxide do you have?   Am…

A: Given, Mass % = 52%  Mass of sample = 12.09 g  Mass of SiO2 = ?

Q: C;H;C10, 30 8 04 1H,S 4 44 2H. J=7 3 66 2H,t J=7 3.

A: Given is 1HNMR spectra of unknown compound

Q: Gold (Au) has a density of 10.046 g/cm3. What is the mass in kg of 1.89 m3 of Au? ***Be sure to show…

A: given , density of gold = 10.046 g/cm3 volume of gold = 1.89 m3

Q: How many moles of carbon are in 2.2x1027 atoms of carbon? Round your answer to 1 decimal place.

A: Given data Number of atoms of Carbon = 2.2x1027 atoms Avogadro's Number is NA=6.02×1023 atommole

Q: How to calculate the percent by mass of water in unknown?

A: Percent by mass is calculated by using the formula,

Q: C;H,O2 20 1 30 3H t 8.04 1H,s J=7 4 20 2H.9 J=7 3 2 PPM 6.

A:

Q: A 100 mL solution of theobromine in water is made, and the solution has a density of 1.16 g/mL. If…

A: Given: Density of theobromine solution = 1.16 g/mL The density of water = 1g/mL, To calculate:…

Q: Gold (Au) has a density of 10.463 g/cm3. What is the mass in kg of 8.74 m3 of Au? ***Be sure to show…

A: Given data is as follows: The density of gold (Au) = 10.463 g/cm3 The volume of Au = 8.74 m3  The…

Q: How many sigfigs does this number have 0.021?

A: Rules:- All non-zero digits are significant. Zeros between non-zeros are significant. Trailing…

Q: How many moles Fe(OH)3 are there in 229 g of Fe(OH)3? Round your answer to 2 decimals.

A: Given mass of ferric hydroxide (Fe(OH)3 ) is  229 grams.

Q: Of the following, is the smallest mass. O 25 kg 2.5 x 10 mg O 2.5 x 105 pg O 2.5 x 10° fg O 2.5 x…

A:

Q: What is the percent composition of H in C9H20? Record your answer to 2 decimal spaces.

A:

Q: 1.NABH4 ? с) 2. Нао co,C2H5 1. Hg(OAc)2/THF/H2O ? d) 2. NaBH,ГОН

A:

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

A:

Q: What is the mass of 4.00 cm^3 of sodium, with a density of 0.97 g/cm^3?

A: MATHEMATICAL TREATMENT OF MEASUREMENT RESULTS Learning Objectives By the end of this section, you…

Q: 1. What volume of toluene do you need to add to 1 mL of ethyl acetate to make an equi-molar mixture?…

A: Introduction :  Equimolar solutions can be defined as the the solution which contains the same…

Q: 7. What kind of a compound is KN and how do you know this? Draw a representation of three units of…

A:

Q: mmonium nitrate: NHẠNO3(s) N20(g) + 2H209) How many g of dinitrogen monoxide can be made from 1.62 x…

A: In this question, we want to determine the mass of N2O gas in gram unit.  You can see details…

Q: Part A.Calculate the percent carbon in fructose, C6H12O6 Express your answer are using to decimal…

A: Answer :-  A) The percent Carbon in Fructose, C6H12O6 =  40.00%  B) The percent Hydrogen in…

Q: 1) ТСРВА 2) а. „MgBr H,C CH2 H;C CH3 b. H30* 3) Н2, Раc H;C CH3

A: Hydrogen in presence of Pd and C behaves as a reducing agent. mCPBA is a peroxy-carboxylic acid used…

Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

A: A question about the relationship between mass and density, which is to be answered.

Q: In an experiment similar to Perrin's, you counted the concentration of suspended particles in a…

A: First we check the relation between depth and number of atoms using the given two observation at two…

Q: Find the percentage by mass of Cl in CaCl2 if it is 36.1% Ca by mass. (Round your answer to one…

A: (1) The percentage by mass of Cl is 63.8% in CaCl2 if it is 36.1% Ca by mass.      (2) the…

Q: { Al/Pb Zn/Mg Al/Mg Fe/Pb Al/Fe Fe/Mg Al/Sn Fe/Sn Zn/Fe Pb/Sn Zn/Sn Pb/Mg Zn/Pb Sn/Mg

A:

Q: Me (ii) 1) DIBAL-H → ? hexane, –70 °C 2) H20/H*

A: 3). DIBAL-H is a reducing agent that reduces the carbonyl group into alcohol.

Q: Mixtures have the properties of the substances that make them up.  B) Sandy water is an example of…

A:

Q: What mass of potassium gold cyanide, KAu(CN)2, contains 311 g (10 ounces) of gold?

A:

Q: What is the mass of fresh water (ρ= 1.00 g/cm3) in a 78.0 Ltank?

A: Given : density of water = 1.00 g/cm3  Volume of tank = 78.0 L

Q: (iv) (1) РОСІ3/РMF →? (2) NaHCO3 Br2/CHC13 (v) →? 'N' H.

A:

Q: 2NH3(g) + 3N20(g)4N2(g) + 3H,0(g) Clear All AHxn ASpxn >0 low T, 0 high T

A: Given that the reaction is exothermic. We will predict the given physical quantities as follows.

Q: A sulfur dioxide gas sample has a volume of 242.62 mL at 242279 pascals and 82.99oF. Calculate the…

A: Given,

Q: and sighinicait ngur es. 1. 18 x 10-19– 5.21 x 10-20 O4.03 x 10-20 O4.0x 1020 6.59 x 10-20

A: For addition or subtraction of significant figures, we Round off the sum or difference to the same…

Q: e) KCI f) C6H12O6 g)LICI h)NH3

A: We need to identify the type of bonding present in the listed molecules:     Ionic Bonding ---- >…

Q: 2.66 + 4.38 ×10* -1.0835×10 K K JK T -1.2517×10¬ K -2.85 + 6.543×10² K?

A: Now, ∆S298 =2S298oHcl-S298oCl2-S298oH2 ∆S298 =2×186.9-223.1-130.7∆S298 =20Jkmol

Q: 1. HNO3, H₂SO4 2. H₂, Pd/C C10H15N 1. NaNO2, H₂SO4, H₂O, 0 °C 2. Cu₂0

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".