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3 years ago

Understanding Acceleration: Remember, acceleration is speeding up, slowing down, or changing direction.

Chemistry

2 answers:

Georgia [21]3 years ago

6 0

Answer:

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Your answer should be:

1. No 

2. Yes

3. No

4. Yes

5. No

Explanation:

I hope this answered your question.

Brainliest would be appreciated!

Have a wonderful day!

s2008m [1.1K]3 years ago

6 0

Answer:

I dont know

Explanation:

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How many moles of carbonate are there in sodium carbonate

vaieri [72.5K]

There are 0.566 moles of carbonate in sodium carbonate.

<h3>CALCULATE MOLES:</h3>

The number of moles of carbonate (CO3) in sodium carbonate (Na2CO3) can be calculated by dividing the mass of carbonate in the compound by the molar mass of the compound.

no. of moles of CO3 = mass of CO3 ÷ molar mass of Na2CO3

Molar mass of Na2CO3 = 23(2) + 12 + 16(3)

= 46 + 12 + 48 = 106g/mol

mass of CO3 = 12 + 48 = 60g

no. of moles of CO3 = 60/106

no. of moles of CO3 = 0.566mol

Therefore, there are 0.566 moles of carbonate in sodium carbonate.

Learn more about number of moles at: brainly.com/question/1542846

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3 years ago

Read 2 more answers

How many atoms and ions does lithium sulfite have?

Serhud [2]

Answer:

Hence the ions per mole are:

$Li^{+}= 2 ions$

$SO_{3}^{2-}(aq)= 1 ions$

In one mole of Li2SO3 , the number of the atoms are

$N_{a}=6.022\times 10^{23}$

Explanation:

The formula of lithium sulfite is Li2SO3.

$Li_{2}SO_{3}$

It contain Li+ and SO3(2-) ions.This can be represented by :

$Li_{2}SO_{3}(s)\rightarrow 2Li^{+}(aq) +SO_{3}^{2-}(aq)$

Hence one mole of Li2SO3 will give 2 Li+ ions and 1 SO3 (2-) ion.

Hence the ions per mole are:

$Li^{+}= 2 ions$

$SO_{3}^{2-}(aq)= 1 ions$

Number of atoms in lithium sulfite depends upon the mass of the Li2SO3 present .

Li2SO3 = 93.94 g/mole

This mass is equal to 1 mole of Li2SO3

Now 1 mole of any substance contain Na atoms . This is known as Avogadro Number.

$N_{a}=6.022\times 10^{23}$

Hence , if 1 mole of Li2SO3 is present then it contains Na atoms

If other then 1 mole present then number of atoms are calculated by:

$Number\ of\ Atoms=Moles\times (N_{a})$

Here n = number of moles

if the mass of the compound is given then first calculate the number of moles.

$Moles=\frac{mass}{Molar\ mass}$

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3 years ago

Hydrogen gas reacts with oxygen gas to produce water. How many moles of

jarptica [38.1K]

Answer:Two

Explanation:

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