2. Determine the grams of carbon present in 67.89 grams of C.H.Ch. 3. A sample of Co is added to a graduated cylinde...

Question

Question

2. Determine the grams of carbon present in 67.89 grams of C.H.Ch. 3. A sample of Co is added to a graduated cylinder contain

Answer 1

Answer #1

Aus Atom Atomie mass (g/mol) 12 I 35.5 Molar mass of Cu H7 z = (4x12) + (741)+(3x 35.5) = 48 + 7 + 106.5 s 16115 g/mol from m

Answer 2

Similar Homework Help Questions

find density 3. A sample of Co is added to a graduated cylinder containing some water....

find density 3. A sample of Co is added to a graduated cylinder containing some water. The volume of the water increases by 10.21 mL. The initial mass of the cylinder and water was 36.56 grams, the final mass of the system (cylinder + water + metal) is 127.02 grams.
2. 19.54 grams of a metal with density 4.88 g/mL is placed into a graduated cylinder...

2. 19.54 grams of a metal with density 4.88 g/mL is placed into a graduated cylinder originally with 20.5 mL of water in it. What is the final volume reading on the cylinder? a. 24.5 mL b. 40.0 mL c. 75.4 mL d. 95.4 mL
A solid has a mass of 21.15 grams and a density of 1.688 g/mL. The solid...

A solid has a mass of 21.15 grams and a density of 1.688 g/mL. The solid is dropped into a graduated cylinder containing water with volume of 15.00 mL. When the solid is dropped into the graduated cylinder, the volume of the water goes up. Using the information given, calculate the final volume of the water in the graduated cylinder.

In lab, an empty weigh boat measures 11.7 g. A piece of metal is added to...

In lab, an empty weigh boat measures 11.7 g. A piece of metal is added to the weigh boat, and the total mass increases to 19.5 g. A graduated cylinder is filled with 24.2 mL of water. The piece of metal is carefully added to the graduated cylinder, and the volume increases to 28.0 mL. Using this data, find the density of the piece of metal, in units of g/ml. Do not include units in your answer.
A metal object weighting 1025.6 g is placed in a graduated cylinder containing 156.8 mL of...

A metal object weighting 1025.6 g is placed in a graduated cylinder containing 156.8 mL of water. The volume increases to 236.8 mL. Calculate the density of the metal.
A sample containing 37.9 kg an metal bellets is polared into a graduated cylinder initially containing...

A sample containing 37.9 kg an metal bellets is polared into a graduated cylinder initially containing 12.9 ml or water causing the water level in the cylinder to rise to 21.6 mL calculate the density or the metal

You need to determine the density of an object. You place it in a graduated cylinder...

You need to determine the density of an object. You place it in a graduated cylinder that has 25 mL of water in it to start. The water level rises up to 29 mL after the object is added. If the mass of the object is 8 grams, calculate the density
You weight a piece of metal to determine that it has a mass of 16g. You...

You weight a piece of metal to determine that it has a mass of 16g. You then place this same piece of metal in a graduated cylinder containing 21 mL of water. After the addition of the metal to the graduated cylinder, the water level rises to 28mL. What is the density of the metal?
A sample of aluminum metal is placed in a graduated cylinder. It is noted that 5.50...

A sample of aluminum metal is placed in a graduated cylinder. It is noted that 5.50 mL of water is displaced by the aluminum. The aluminum is then reacted with excess nitric acid to produce aluminum nitrate and hydrogen gas. Given the density for aluminum is 2.702 g/mL, how many grams of aluminum nitrate are produced in the reaction? 2Al(s) + 6HNO3(aq) + 2Al(NO3)3(aq) + 3H2(g)

S, WE amilies a 100 ml gradu Density of an Object by Displacement of Water Earlier...

S, WE amilies a 100 ml gradu Density of an Object by Displacement of Water Earlier today / marwed the density of a metal ball by displacement of water using a 100 ml cylinder and centrame balance. First, obrained the mass of the ball. Next, I added water to a graduated onder and measured the initial volume of water. Then, I gently dropped the ball into water and measured the new wolne of water. Below is the data from my...