ritaaaa
ritaaaa
03-07-2016
Chemistry
contestada
8) What many atoms are in 100 grams of of Mgo?
Respuesta :
sweetburger
sweetburger
03-07-2016
100g (MgO)/40.03g/mol(MgO) = moles of MgO
moles of MgO * 6.022*10^23*2=number of atoms in MgO
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
Use the formula for the present value of an ordinary annuity or the amortization formula to solve the following problem. PV=$20,000; i=0.01; PMT=$250; n=?
How many milliliters of sodium metal, with a density of 0.97 g/mL, would be needed to produce 53.2 grams of hydrogen gas in the single-replacement reaction belo
I'm writing a book of poems, short stories, etc. but I need a title for it. I have a few ideas.. 1. A light in the darkness 2. A shadow in the darkness 3. None
An rna strand with sequence 5'-guacaaugacuuauguac-3' can potentially form which structure? bulge loop stem-loop multibranched junction internal loop
The Brown v. Board of Education case is an example of the Supreme Court exercising which of its powers?
The unearned rent account has a balance of $72,000. if $18,000 of the $72,000 is unearned at the end of the accounting period, the amount of the adjusting entry
Quincy uses the quadratic formula to solve for the values of x in a quadratic equation. he finds the solution, in simplest radical form, to be x = . which be
Approximately 65% of all marketing personnel are extroverts, whereas about 55% of all computer programmers are introverts. (Round your answers to three decimal
What rule applies to this word? desire
Are the media the most effective risk, warning, and crisis communicators and public educators regarding terrorist threats and other hazards and disasters? discu