saldivarmia25 saldivarmia25

03-01-2021
Chemistry

contestada

How many moles are present in a 5.8 g sample of copper?
A. 11
B. 0.091
C. 0.91
D. 5.5 x 10^22
please i need this for my finals

Respuesta :

ChoiSungHyun ChoiSungHyun

03-01-2021

Explanation:

Molar mass of Cu = 63.5g/mol

Moles of Cu

= 5.8g / (63.5g/mol) = 0.091mol (B)

Answer Link

Otras preguntas

SeH2 molecule -- How many lone-pairs of electrons are on the central Se atom? H3O+ ion -- How many lone-pairs of electrons are on the central O atom? SeO2

for the following system use the second equation to make a substitution for the y in the first equation 2x + y=6 and y=3x+4

Betty is a retired registered nurse who fills in at the local hospital when the staff is in need of nurses. she is frequently called in without advance notice a

which equation represents the relationship for the number attending n and the cost per person C

Facrorise With steps please

Why do employers withhold a set amount of your income?

Which of the following is a chemical property? A-Density B-Melting point C-Solubility D-Toxicity

evaluate the expression for the given value of the valuables 4(3h-6)/1+h;h= -2

Harry is building a house with a sloping roof. If the roof is 44 feet long and 10 feet high, what is the angle that the roof makes with the horizontal?

When did the American colonies declare their independence from British