subject

Chemistry, 14.10.2020 16:01 OfficallyRobloxedd

An impure sample of calcium carbonate (CaCO3) contains calcium sulfate as an impurity. When excess hydrochloric acid was added to
6g of the sample(CaCO3), 1200cm3 of gas (CO2) were produced
(measured at r. t.p.).
Calculate the percentage purity of the calcium carbonate sample.

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 08:40

What is the value of keq for the reaction expressed in scientific notation?

Answers: 1

question

Chemistry, 22.06.2019 12:00

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

Answers: 1

question

Chemistry, 23.06.2019 01:00

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

Answers: 1

question

Chemistry, 23.06.2019 03:30

The semi-conductors on the periodic table are classified as

Answers: 1

You know the right answer?

An impure sample of calcium carbonate (CaCO3) contains calcium sulfate as an impurity. When excess...

Questions

question

Business, 15.07.2020 02:01

As of December 31, 2015, Lincolnshire Company had assets of $1,850,000 and liabilities of $570,000. During 2016, the stockholders invested an addition...

question

Computers and Technology, 15.07.2020 02:01

A set of blocks contains blocks of heights 1, 2, and 4 centimeters. Imagine constructing towers by piling blocks of different heights directly on top...

question

Business, 15.07.2020 02:01

Dazzling Inc., a cosmetics manufacturing company, introduces a moisturizer that is more expensive than similar products available in the market. The c...

question

English, 15.07.2020 02:01

Remember that an inference is information given in a story that is not directly stated by the author, but it is still very important in order to under...

question

Business, 15.07.2020 02:01

A local dental partnership has been liquidated and the final capital balances are: Atkinson, capital (40% of all profits and losses) . . . . . . . . $...

question

Business, 15.07.2020 02:01

Increased use of portfolio and performance assessment techniques in the schools has been suggested to:...

question

Mathematics, 15.07.2020 02:01

HELP ASAP WITH MATHAMATICS ...

question

Mathematics, 15.07.2020 02:01

Need help with 13 14 and 15 ...

question

Mathematics, 15.07.2020 02:01

QUESTION 2 Find Percent Increase: The original price for a product is $53.93 and the sale's tax rate is 29%. Find the amount of tax and the tot...

question

History, 15.07.2020 02:01

Which candidates tend to get the benefit of more media coverage during the first few montis of the presidential primary elections? the candidat...

question

English, 15.07.2020 02:01

The way that a writer displays their personality and imagination on the page is called: oral tradition writer’s voice descriptive writing genre...

question

Business, 15.07.2020 02:01

Iris Corporation owns 30% of Fresia Corporation's stock. On November 15, Fresia Corporation, with current E & P of $320,000, distributes land (fa...

question

History, 15.07.2020 02:01

The definitions of the terms liberal and conservative have changed many times in American history. By the late 1970s, all of the following statements...

question

History, 15.07.2020 02:01

¿Tiene origen la cueca en la cultura africana esclavizada en Perú o tiene origen arábigo andaluz?...

question

Mathematics, 15.07.2020 02:01

I have the olaf needs a total of 3 cups of sugar to make 4 cakes. write and solve an equation to find the number of cups of sugar he needs for each ca...

question

Mathematics, 15.07.2020 02:01

The function represented by graph B is g(x) = _ The function represented by graph C is h(x) = _

question

English, 15.07.2020 02:01

After pillaging for a few weeks with our new cargo bay upgrade, we decide to branch out into a new sector of space to explore and hopefully find new t...

question

Business, 15.07.2020 02:01

"Gamboa, Inc. sold 100 selfie sticks for $25 each. If the selfie sticks had an average cost of $1 to produce, how much profit did the company make...

question

English, 15.07.2020 02:01

Do we use singular or plural form of verb with 'none' Here's a sentence and you've to identify the mistake. None of the presents I received on my birt...

question

Mathematics, 15.07.2020 02:01

On a coordinate plane, a curved line with minimum values of (negative 0.5, negative 7) and (2.5, negative 1), and a maximum value of (1.5, 1), crosses...

More questions: Chemistry Another questions

Questions on the website: 13722367