significant figures and report units with answers where requife 1. Find the number of moles in 25.0 grams of each of the following: b. C6H6 Ca(OH)2 c. a. Ni coo 2. Find the mass of 0.750 moles of each of the following: objacts For b. P4010 C. Cu2S a. Br2 woH & Aed Yoonsupo a compood Many 3. Find the number of particles in 35.0 grams of each of the following: b. CF4 C6H1206 C. a. Ag 1.95x 1023 2.397 X 1023 1.168 x 1023 4. Find the mass of 4.52 x 1023 particles of each of the following: b. LizN C. H2SO4 a. N2 s3o amen 0.05 bns dainw woll ి 5. Determine the % composition of the following compounds: b. SiO2 0 c. b'(NH4)2S a. MgCl2 25.50% A6.737. 6. Determine the empirical and molecular formula of the following: Melom mogo log moga – 194 2

Q: A chemist weighed out 101. g of aluminum. Calculate the number of moles of aluminum she weighed out.…

A: Given data, Mass of Al = 101 g Molar mass of Al = 26.98 g/mol

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: The reaction taking place is given as, => Si4H10 (l) + O2 (g) -----> SiO2 (s) + H2O (l)

Q: Consider The following date Organic moleule xy with The Normal F-P Normal b-P 2.20 C 42.62 22.5 T…

A: When substance gains or loses heat, the amount of heat gained or lost by the system depends on the…

Q: Bsiialat- Copy of nework.doCX 100% 3. Fill in the following chart. Don't forget to come the isotope…

A: Atomic number = total number of protons. For a neutral element, number of protons= number of…

Q: 18. What patterns do you see in all of the compound models? Elements having 1,2 or 3 valence…

A: As per the request, the correction in question number 18 is as follows:

Q: Repeatness is very important used to I a) Increase the error. b) Decrease the error. c) Minimize the…

A: Repeatness means to perform an experiment again and again.

Q: 2- The miller indices for the shaded planes (A & B) are: a) (3 2 4) for A and (221) for B c) (4 2 3)…

A:

Q: Chrome File Edit View History Bookmarks Profiles Tab Window Help * * 28% O Thu 11:03 AM ... 9 AD FS…

A:

Q: 11. A vapour is defined as 12. A gas is defined as 13. A mole is defined as 14. Unit of bulk modulus…

A: 11.  vapour refers to a gas phase materials that Normally exists as a liquid or solid under some…

Q: A chemist prepares a solution of aluminum sulfite (Al₂(SO3)3) by measuring out 44. µmo! of aluminum…

A:

Q: 53. In a chemistry experiment, 12 g of (NH4)₂SO4(s) was dissolved in 120 mL of water in a simple…

A: 53.) We would proceed by calculating the heat first.  Then we would calculate moles of ammonium…

Q: Select whether the property is likely to increase, decrease, or would have no effect in the given…

A: In the above question some parameters are given-

Q: 8 Write the element's symbol and ionic charge. 9. 9 10 ELEMENT Protons Electrons CHARGE SYMBOL 19 18…

A: In a neutral atom, the number of protons and electrons are equal and the charged neutralizes each…

Q: 6. In the Ostwald viscometer the use of capillary tube is * (a) To avoid streamline flow O (b) To…

A: Ostwald viscometer works on the principle of poiseuille's principle  i.e. the rate of flow of a…

Q: Be sure to answer all parts. Carry out these operations as if they were calculations of experimental…

A:

Q: Express the following points given in Cartesian coordinates in terms of spherical coordinates. (x,…

A:

Q: Determine the equation of line with x intercept -3 that is perpendicular to a line x-3y-16=0

A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.