LinaB1794 LinaB1794

01-02-2020
Chemistry

contestada

What is the mass of 2.5 moles of carbon? Please show your work.

Respuesta :

huda1aziz huda1aziz

01-02-2020

Co2 is made of carbon ( atomic mass: 12) and oxygen (atomic mass : 16)
First : mass of 1 C atom + mass of 2 O atom = 12+(16*2)=44 amu so 1 mole CO2 =44 grams then 2.5 mole CO2 =44*2.5 =110 grams

So the answer is 110 grams

Answer Link

Otras preguntas

Write the inequality in interval notation X is greater than or equal to negative 4

What were the motives behind European exploration in the 1400s? Explain

The nucleus of an atom of K-42 contains (1) 19 protons and 23 neutrons (2) 19 protons and 42 neutrons (3) 20 protons and 19 neutrons (4) 23 protons and 19 neutr

How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)? (1) 16.7 mL (3) 150. mL (2) 50.0 mL (4) 3

Which pair of formulas represents two compounds that are electrolytes?(1) HCl and CH3OH(2) HCl and NaOH(3) C5H12 and CH3OH(4) C5H12 and NaOH

Why did hitler hope to gain by invading russia

which of the following is NOT true regarding money? Money should be portable Money should be unlimited Money should be durable Money should be uniform throughou

Adding a catalyst to a chemical reaction results in (1) a decrease in activation energy and a decrease in the reaction rate (2) a decrease in activation energy

According to Table I, which salt releases energy as it dissolves? (1) KNO3 (3) NH4NO3 (2) LiBr (4) NaCl

why did the government give land grants to railroad companies