3 years ago

What is the molecular formula for a compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole

Chemistry

1 answer:

ch4aika [34]3 years ago

8 0

The answer would be C4O2H8

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Compound 2 contains 2.0g of hydrogen and 32.0g oxygen. What is the percent compound of each element?

Dmitriy789 [7]

Note down the formula below

$\boxed{\sf Mass\%\;of\; element=\dfrac{Mass\:of\:the\: element}{Mass\;of\:the\: compound}\times 100}$

Mass of the compound

$\\ \sf\longmapsto 32+2=34g$

Mass % of Hydrogen:-

$\\ \sf\longmapsto \dfrac{2}{34}\times 100$

$\\ \sf\longmapsto \dfrac{1}{17}\times 100$

$\\ \sf\longmapsto 5.8\%$

Mass % of Oxygen:-

$\\ \sf\longmapsto \dfrac{32}{34}\times 100$

$\\ \sf\longmapsto \dfrac{16}{17}\times 100$

$\\ \sf\longmapsto 94.2\%$

7 0

3 years ago

A sample of gas has a pressure of 47.5 mm in a 125-ml flask. the sample is transferred to a new flask, where it has a pressure o

Lilit [14]

P1v1=p2v2
47.5*125=66.2*v2
v2= p1v1/p2
=(47.5)(125)/(66.2)
=89.69ml

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2 years ago

What is 4,678,679 dL in scientific notation

vesna_86 [32]

4.7e^6 is how I would write it. You simply count in from the right side where the decimal is until you reach the point just before the 4.

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3 years ago

Given the balanced equation, calculate the mass of product that can be prepared from 2.36 g of zinc metal.

Nataly_w [17]

Moles of Zn present= 2.36/65.4= 0.0361 moles
Therefore maximum moles of ZnO= 0.0722
Mass of one mole of ZnO= 81.4
Mass of ZnO produced= 0.0722 x 81.4= 5.87g

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3 years ago

La masse et volume. S'il vous plaît repondre aux questions 2, 3, et 4.

ella [17]

Answer:

Bonjour! Je me demandais si vous pouviez s’il vous plaît traduire vos questions en anglais afin que je puisse les résoudre. J’utilise un traducteur en ce moment pour vous dire votre réponse dans Français. Je suis désolé si vous ne pouvez pas traduire cela. Bonne journée!

Explanation:

3 0

3 years ago