musaamisi8 musaamisi8

04-02-2020
Chemistry

contestada

What is the number of moles in 4.00 g of magnesium oxide,MgO?

Respuesta :

ednorobello92 ednorobello92

04-02-2020

Answer: 0.1 mole MgO

Explanation: 1 mole of MgO is equal to its molar mass.

4.00 MgO x 1 mole MgO/ 40g MgO

= 0.1 mole MgO

Answer Link

bacchusella04 bacchusella04

04-02-2020

moles= mass/rfm
MgO 16+24=40
4/40
moles= 0.1

Answer Link

Otras preguntas

In the case below, the original source material is given along with a sample of student work. Determine the type of plagiarism STUDENT VERSION According to Fric

How does the narrator communicate his feelings on race relations?

find the mean of the integers 3,-1,0,1,3

A 19000 cubic foot room initially has a radon level of 850 picocuries per cubic foot. A ventilation system is installed that brings in 500 cubic feet of air per

Enter the degree of the polynomial below. 6x6 + 9x3 + 3x2 - 4x10 - 985 - 5x6

evalute this please

What is the formula for cobalt (III) chlorate?

stanford Polynomial differentiation. Suppose p is a polynomial of degree n − 1 or less, given by p(t) = c1 + c2t + · · · + cntn−1. Its derivative (with respect

A typical rechargeable deep-cycle battery for an electric trolling motor (fishing boat) delivers 10A of current at a voltage of 12V for 10 hours. (a) How much c

CONVERT 2 MOL OF OXYGEN TO ATOMS.PLeasee...?