subject

Chemistry, 17.10.2021 22:40 tavito968

The student used: 2g of copper oxide (in excess)
25cm^3 of a solution of dilute sulfuric acid with a concentration of 49 g/dm^3

Relative atomic masses: Cu = 63.5 O = 16
Relative formula mass of sulfuric acid = 98

Determine by how many moles the copper oxide (CuO) was in excess.

Please help!!!

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 01:10

Can someone me with these questions plz.

Answers: 1

question

Chemistry, 22.06.2019 03:40

Identify a specific example for each type of technology

Answers: 2

question

Chemistry, 22.06.2019 17:00

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Answers: 1

question

Chemistry, 22.06.2019 17:00

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

Answers: 2

You know the right answer?

The student used: 2g of copper oxide (in excess)
25cm^3 of a solution of dilute sulfuric aci...

Questions

question

Mathematics, 22.06.2019 08:30

Nash is making a framed enlargement of a mary cassatt postage stamp to present to a retired postmaster. he enlarges the stamp using a scale of 2 inche...

question

Mathematics, 22.06.2019 08:30

Jan and wayne went to the store to buy some groceries. jan bought 2 cans of corn beef hash and 3 cans of creamed chipped beef for $4.95. wayne bought...

question

Mathematics, 22.06.2019 08:30

The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. what is the resulting possible err...

question

Chemistry, 22.06.2019 08:30

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable fo...

question

History, 22.06.2019 08:30

When was the versailles treaty signed...

question

Geography, 22.06.2019 08:30

The vedas were a collection of aryan religious writings t or f...

question

Chemistry, 22.06.2019 08:30

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and incr...

question

English, 22.06.2019 08:30

In his nobel prize acceptance speech, elie wiesel uses ethos and pathos to achieve his purpose. describe wiesels purpose in this speech. then explain...

question

History, 22.06.2019 08:30

The first human skeleton found in oklahoma is estimated to be 9,000 years old. based on this age, which dates the skeleton to about 7,000 bce, the ske...

question

Arts, 22.06.2019 08:30

Which element refers to musically depicting the emotion in the words of a musical piece?...

question

Chemistry, 22.06.2019 08:30

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and incr...

question

History, 22.06.2019 08:30

As american population grew between 1820 and 1850, the percentage of americans living on farms also grew. a. true b. false...

question

Chemistry, 22.06.2019 08:30

What is a metal replacement reaction...

question

English, 22.06.2019 08:30

In charlotte web, what compliment did charlotte pay to wilbur...

question

Mathematics, 22.06.2019 08:30

What percentage of the general u. s. population are high-school dropouts? the statistical abstract of the united states, 120th edition, gives the per...

question

English, 22.06.2019 08:30

Tony ran down the stairs. the prepositional phrase is...

question

Business, 22.06.2019 08:30

Acompany recorded a check in its accounting records as $87. however, the check was actually written for $78 and it cleared the bank as $78. what adjus...

question

English, 22.06.2019 08:30

At four hundred miles they stopped to eat, at a thousand miles they pitched their camp. they had traveled for just three days and nights, a six weeks'...

question

Computers and Technology, 22.06.2019 08:30

Today is the anniversary of me being on yet, i don't need it anymore! here's a picture of my dog wearing a bowtie! my question is, how do i delete...

question

English, 22.06.2019 08:30

Johnson's speech covers the issue of what rights...

More questions: Chemistry Another questions

Questions on the website: 13722363