jaydagarza86 jaydagarza86

01-12-2020
Chemistry

contestada

How many moles are in a 111.5 gram sample of sodium chloride, NaCl?

Respuesta :

Sentient Sentient

01-12-2020

Answer: 1.91 moles

Explanation:

First you want to find the molar mass of NaCL

Na = 22.99g Cl = 35.45g

22.99g + 35.45g = 54.44g

Then divide 111.5g by 54.44g and this will give you moles.

Answer Link

Otras preguntas

What is public speaking?

Water ice has a density of 0.91 g/cm2, so it will float in liquid water. Imagine you have a cube of ice, 10 cm on a side. a. What is the cube's weight? b. What

How did the Great Society programs impact Americans?

Last week Bill made a purchase of $56.78 before tax. This week, the same items on sale would have cost him $41.90 before tax. If the tax is 4%, how much could B

A sum of money amounting to P5.15 consists of 10 cents and 25 cents, If there are 32 coins in all, how many 25 cents are there? A. 14 pcs B. 13 pcs C. 15 pcs D.

Tickets for a play cost 2 pounds for a child, and 4 pounds for an adult. one adult brought 4 children with him and the remaining adults each brought 2 children

What element of fibrous joints gives the joint its ability to resist stretching and control the amount of movement at the joint?

What frequency must a sound wave have in air to have the same wavelength as a 750 Hz sound wave in a platinum bar?

true or false? tan( pi/2 -x)=cotx

A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a function of time t by the equation x(t)= α t2− β t3, where