charxxkiK5beLeesha charxxkiK5beLeesha

17-09-2016
Chemistry

contestada

how many moles of sodium atoms in 255 grams of na2so4

Respuesta :

17-09-2016

[tex]M_{Na_{2}SO_{4}}=142\frac{g}{mol}\\ m=255g\\\\ n=\frac{m}{M}=\frac{255g}{142\frac{g}{mol}}\approx1,8mol\\\\ 1,8mol*2=3,6mol \ of \ sodium \ atoms[/tex]

Answer Link

Otras preguntas

Read the text below carefully and then answer the following question. Quand il était enfant, Claude avait trois meilleures amies et deux petites amies. Mais il

Exercise should challenge your body and be at a greater intensity than your usual level of daily activity. Discuss.

1) Which system of linear equations could the graph represent? A) y = x + 5 y = 2x + 4 B) y = 3x + 6 y = −4x + 8 C) y = −3x + 6 y = −x + 3 D) y = −2x + 6 y

Luther was outraged at the preaching of indulgences! True False

Why is Christ the priest in the Liturgy? What does it mean that the priest acts in persona Christi capitis?

Solve the inequality and enter your solution as an inequality comparing the variable to a number. x + 15 > 25

For verbs that change with AVOIR, the participles match:a) when the person is in front of the objectb) when a real object is placed in front of the subjectc) wh

Use the accompanying table of standard scores and their percentiles under the normal distribution to find the approximate standard score of the following data v

3. What is the "the domino theory"?

Someone please help me. ASAP