govegan1005 govegan1005

15-09-2022
Chemistry

Answered

Another element, Z, in the same period of the Periodic Table as A, reacts with chlorine to
form a compound with empirical formula ZCl 2. The percentage composition by mass of ZCl 2
is Z, 31.13; Cl , 68.87.

Calculate the relative atomic mass, Ar, of Z.

Answer :

Other Questions

The relative atomic mass of an element is the mass of its atoms with that which element?Give the name?

Use the atomic mass of lithium to calculate the relative abundances of the two isotopes.

An oxide of iron is found to be 70. 00% iron by mass. Determine the empirical formula for this compound and name it.

A car with a mass of 1500kg and a bus with a mass of 9000kg are both traveling along the road at a speed of 55mph(24.6 m/s) what is the Kinetic energy of each v

What is the [H*] in a solution with pOH of 0.253? A. B. OC OD. 5.58 x 10-15 M 1.79 x 1014 M 3.21 x 102 M 5.58 x 10 M

Question 7 of 14 How much energy is released if a sample loses 0.001 kg mass through radioactive decay? OA. 3× 102 J B. 9 × 10¹3 J O C. 3 × 105 J OD. 9×1019 J

The chalk sample with 97.56% was dissolved in 25 mL of 2N HCl, the unchanged acid was then reacted with 21.4 ml of N/2 NaOH. Calculate the mass of Chalk (Ans: 2

What is the density of a substance that has a mass of 2.0 g, and when placed in a graduated cylinder the volume changed from 70 mL to 75 mL? A 2.5 g/mL B 10. g

Two elements combine in the mole ratio of 4:6. The simplified ratio is 2:3. True False

Write formulas for each of the following ionic compounds 1: aluminum iodide 2: Silver oxide 3: potassium nitride 4: calcium phosphide 5: magnesium fluoride