3 years ago

Guys please answer this

Chemistry

1 answer:

iren [92.7K]3 years ago

6 0

Answer:

Mass = 96 g

Explanation:

Given data:

Number of moles of C = 8 mol

Mass of C in gram = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of C = 12 g/mol

8 mol = mass / 12 g/mol

Mass = 8 mol × 12 g/mol

Mass = 96 g

You might be interested in

Write a net ionic equation for the reaction that occurs when nickel(ii carbonate and excess hydrobromic acid (aq are combined.

seropon [69]

First, we write the reaction equation:
NiCO₃ + 2HBr → NiBr₂ + H₂CO₃

Now, writing this in ionic form:
NiCO₃ + 2H⁺ + 2Br⁻ → NiBr₂ + 2H⁺ + CO₃⁻²

(NiCO₃ is insoluble so it does not dissociate in to ions very readily)

Overall equation:
NiCO₃ + 2Br⁻ → NiBr₂ + CO₃⁻²

7 0

3 years ago

What is the molar mass of phosphorus (P)?

lianna [129]

Answer: The correct answer is Option B.

Explanation:

Molar mass is defined as the mass (in grams) of 1 mole of a substance. It is expressed in grams per mole.

Phosphorous is the 15th element in the periodic table, which belongs to Group 15 and Period 3. The molar mass of phosphorus element is 30.97 g/mol.

Hence, the correct answer is Option B.

7 0

4 years ago

Which of the following compounds does NOT contain molecules? A. H2 B. NaCl C. CO2 D. H2O

vladimir1956 [14]

NaCl is one and that is the only one that I know is for sure.

i hope this help!!!!!!!!!!

3 0

3 years ago

What type of rock is chromium

pantera1 [17]

an oxide of iron, magnesium, aluminum, and chromium

7 0