muaazsajid63 muaazsajid63

07-06-2020
Chemistry

contestada

The number of moles of O2 in 10.6 grams of Na2CO3:

A. 0.1 moles
B. 0.3 moles
C. 0.2 moles
D. None of these

Explain please

Respuesta :

suusueuususuus suusueuususuus

07-06-2020

The answer is A. 0.1 moles

..........

The molar mass of sodium carbonate Na2CO3 is 106g, so 10.6g is 10.6/106 = 0.1mol.

Answer Link

Otras preguntas

2. James throws a rock into a deep well with a velocity of 10.0 m/s [down]. What is the velocity of the rock 2.5 s

Which of the following accurately describes the fall of the Byzantine Empire? It declined suddenly, over a few decades. It declined moderately, over one hundred

An intergalactic spaceship arrives at a distant planet that rotates on its axis with a period of [tex]T=26 hours[/tex]. The mass of the planet is [tex]M=4.9*10^

Chris and Stefani Watanabe, married filing jointly, live with their two boys at 1400 Victoria Lane, Riverside, CA 92501. Chris is an accountant who has his own

water reaches to the magma that changes into steam .the steam contains which type of energy

Graph the following Absolute Value Functions. Analyze when the function is positive, negative, increasing, or decreasing. Then describe the end behavior of the

WILL GIVE BRAINLIEST Explain why a quadratic function models the data. Then use a linear system to find the model. Please help :’(

How is the graph of each equation related to standard form Ax + By = C?

After a 70% reduction, you purchase a new clothes dryer on sale for $204. What was the original price of the clothes dryer?

Find the volume of the solid of revolution formed by rotating about the -axis the region between the graph of ()=^ (−2) and the -axis between =−1 and =3.