ebbssydney ebbssydney

24-03-2016
Chemistry

contestada

calculate the molarity of a 15g NaCl in 250mL of solution

Respuesta :

hannah064 hannah064

24-03-2016

15g NaCl /58.45g NaCl (molar mass)= .2566 moles NaCl
M=moles/liters
250mL/1000mL=.25L
.2566 mol/.25L=1.02M NaCl

Answer Link

Otras preguntas

Rafael is buying ice cream for a family reunion. The table shows the prices for different sizes of two brands of ice cream.

The base angle of an isosceles triangle is 45. What is the measure of the vertex angle?

An excess of chromium metal is added to 500.0 mL of a 0.915 M AgNO3solution in a constant-pressure calorimeter. As a result of the reactionCr(s) + 2 AgNO3(aq)Cr

A combined total of $41,000 is invested in two bonds that pay 6% and 7% simple interest. The annual interest is $2,700.00. How much is invested in each bond?

For this assignment, please submit your 5 paragraph report. ObjectiveYou will write a report on the states of matter, answering the question:How do water molecu

Rewrite the following expression as a single logarithm: 2log(x+3) + 3log(x - 7) - Slog(x - 2) + 2log(x) 3 log (x+3)(x-7) 12(3-2) 5 A. 5 log (x + 3)?(x - 2) (1-7

what is the domain and range of y=|x|+2?

Match these items. 1. nuclei unite 2. splitting 3. fuse for the hydrogen bomb 4. nuclei and free electrons 5. raw material for fusion A. plasma phase B. fusion

Can I get a tutor to help me wit this ?

3. Your boss asks you to compare three phone plans. Identify the cheapest plan when an average of 190 text messages are sent each month. • Plan A costs a basic