24-02-2021
Chemistry

contestada

How many moles of KMnO4 are in 75g of KMNO4?

Respuesta :

24-02-2021

Answer:

0.64 mol

Explanation:

moles=mass/molar mass

n= 75/(39+14+4×16)

n=75/117

n = 0.64mol

Answer Link

Otras preguntas

A right cylinder has a diameter of 40 mm and a height of 30 mm, as shown. Semester Test, Part 1 What is the volume of the cylinder? a. 37,680 mm3 b. 1256 mm3

In need of a book review

Let b = 8. What is the value of 28 – b · 2? A. 10 B. 12 C. 24 D. 40

You have been asked as a sociologist to investigate the educational underachievement of students from ethnic minority groups. i) Identify one observational rese

factor completely, the expression: 2x^3-2x^3-12x

What exercises should you perform if your goal is to improve flexibility of your chest and side muscles? A. hip flexor and side stretch B. shoulder stretch and

Find the length of the base of a square pyramid if the volume is 1,024 cubic inches and has a height of 12 inches.

Which of these corrects the shift of voice in the following sentence? Nakamura was praying for protection when the front door was flung open by force. Nakam

exercise of freedom of expression by some Media houses in SA and related that to the applicable limitations in the constitution

he conjugate pair for a weak acid is--