KatlynQ774729 KatlynQ774729

29-10-2022
Chemistry

contestada

A student has a 10.0g sample of CaBr2. Show the setup of the calculation to determine the number of moles of CaBr2 in the sample. Include units in the setup. (You do not need to do any calculations.)A different student is given a 10.0g sample labeled CaBr2 that may contain an inert (nonreacting) impurity. Identify a quantity from the results of laboratory analysis that the student could use to determine whether the sample was pure.

Respuesta :

InaayahG573855 InaayahG573855

29-10-2022

According to the given question statement, the student need to use the molecular mass of CaBr2. The molecular mass of this compound is 199.88g/mol.

[tex]10.0gCaBr_2\cdot\frac{1molCaBr_2}{199.88gCaBr_2}[/tex]

That is the setup of the calculation.

Answer Link

Otras preguntas

Jeannie is an experienced business traveler, often traveling back and forth from San Francisco to the East Coast several times per month. To catch her flights f

A machine costs $700,000 and is expected to yield an after-tax net income of $52,000 each year. Management predicts this machine has a 10-year service life and

Hotaka can vividly recall the devastating experience of barely surviving the tsunami that took the lives of many others. It is likely that the stress of that ex

Someone please help me

Pairs of P-values and significance levels, α, are given. For each pair, state whether the observed P-value would lead to rejection of H0 at the given significan

Which is a best practice for writing an effective text ad? a) Use a passive verb in the headline b) Talk about yourself and your business c) Make the text diffe

What is the slope of a line that goes through the points (1, -5) and (-3, 2)? - 4/7 -7/4 -3/4 -4/3

Explain how the structure of compact bone relates to its function.

The buoyant force that is exerted by a fluid on an object that displaced a volume Vdisp is written as: Fbfo=ρfVdispg. A block of wood with a mass of 750.0 g is

In the Country A legal system, a defendant is presumed innocent until proven guilty. Consider a null hypothesis, Upper H 0, that the defendant is innocent,

ACCESS MORE EDU ACCESS