Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below.

Chemistry

1 answer:

ad-work [718]3 years ago

4 0

Answer:

4.62

so 5

the ratio is 2 na chlorates for 3 O2 so multiply 7 by 2/3

Explanation:

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Choose the statement below that is TRUE?

Deffense [45]

Answer:

option c

Explanation:

Solution is formed when a solute is dissolved a solvent.

Formation of solution is decided by the interaction between solute and solvent.

When a solute is dissolved, the intermolecular interactions in between solute molecules are broken. And New interactions are formed between solute and solvent.

In order to form solution, the solute-solvent interactions must be stronger than solute-solute and solvent-solvent in interactions.

Therefore, among given the option c is correct.

5 0

3 years ago

How many atoms are in a sample of 72.8 g calcium (Ca)?

xxMikexx [17]

Atomic mass Ca = 40.078 a.m.u

40.078 g -------------------- 6.02x10²³ atoms
72.8 g ---------------------- ??

72.8 x ( 6.02x10²³) / 40.078 =

4.38x10²⁵ / 40.078 = 1.093x10²⁴ atoms

hope this helps!

5 0

3 years ago

Read 2 more answers

Which pair of reactants will undergo aldol condensation to produce methylvinyl ketone?

xenn [34]

When formaldehyde and acetone then react with each other( aldol condensation) then it will be formed methyl vinyl ketone.

In organic chemistry, an aldol condensation would be a condensation reaction in which an enol and enolate ion combines with a carbonyl chemical to produce a -hydroxy aldehyde or -hydroxy ketone, that is then dehydrated to produce a conjugated enone.

In aldol condensation, when formaldehyde and acetone then react with each other then it will be formed methyl vinyl ketone.

It can be written as

$CH_{2} O + CH_{3} COCH_{3}$ → $HOCH_{2} -CH_{2} -CO-CH_{3}$