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 ( 75+ )
Otras preguntas
Joe and Ann buy some fruit from the same shop. Joe buys 4 apples and 3 bananas for £2.50 Ann buys 3 apples and 4 bananas for £2.40 Work out the cost of (i) one
anyyyy girrllll online hereeeere m soo bored
Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15
A marathon had 618 runners registered. Of these runners, about 0.8% completed the race in under 2 h 15 min. a) How many runners completed the race in this time?
at the market opening, a customer purchases 200 shares of an S&P 500 inverse etf (-1x) at $50 per share. At the end of that day, the s&P 500 index decli
Joe and Ann buy some fruit from the same shop. Joe buys 4 apples and 3 bananas for £2.50 Ann buys 3 apples and 4 bananas for £2.40 Work out the cost of (i) one
at the market opening, a customer purchases 200 shares of an S&P 500 inverse etf (-1x) at $50 per share. At the end of that day, the s&P 500 index decli
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
Which of the following statements is correct for a person that has active Hepatitis B? A. Symptoms may or may not be present B. Infected person's will have jaun
Select the values that make the inequality m 4 true. Then write an equivalent inequality, in terms of m. (Numbers written in order from least to greatest going
