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kotykmax [81]
3 years ago
9

Help with this question I don’t get it I will give out 30 points!!!

Chemistry
1 answer:
mina [271]3 years ago
8 0
It has to be A or B bc c and d are just dumb answers
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What is the molecular formula for a compound with an empirical formula of CH2O if its experimentally determined molecular weight
NNADVOKAT [17]

Answer:

C6H12O6.

Explanation:

Adding up the relative atomic masses of the elements

C + 2H + O

= 12 + 2*1 + 16.

= 30.

180 / 30 = 6  so the molecular formula is:

C6H12O6.

3 0
3 years ago
Rounded to the nearest whole number, how many electrons are in an atom of zirconium?
Dafna1 [17]

Answer:

40 electrons

Explanation:

The element of zirconium (Zr) has an atomic number of 40, which means it has 40 protons and 40 electrons. It also has a molar mass of 91.224 g/mol.

6 0
2 years ago
Which of the following compounds share electrons? NaCl CO CsF KBr
ArbitrLikvidat [17]
Covalent compounds share with each other, whilst Ionic compounds take from each other. 

Covalent compounds are composed of 2 or more NONMETALS.

So, it would be CO, since the rest of the compounds contain metals in them.
7 0
3 years ago
¿Cuántos moles hay en 350 g de NaNO3?
olga55 [171]

Answer:

3 moles

Explanation:

So, approximately 3 moles of NaNO3 can be obtained, by reacting 253 grams of Na2CrO4. Also, the number of moles is a dimensionless quantity.

4 0
2 years ago
What does the prefix cis-indicate?
castortr0y [4]

Answer:

i is d " The carbons on either side of the double bond are pointed in the

same direction."Explanation:

8 0
3 years ago
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