Allie1123 Allie1123
  • 04-09-2017
  • Chemistry
contestada

How many grams of NaF form when .508 mol of HF react with excess Na2SiO3?

Respuesta :

Аноним Аноним
  • 04-09-2017
2HF + Na2SiO3 ---->  2NaF +  H2SiO3   is the balanced equation.

2 moles of HF  form 2 moles of NaF

therefore 0.508 Mol  HF forms 0.508 mol of NaF

In grams this is 0.508( rel atomic mass of Na + RAM of F)
                        = 0.508 (22.99+19)
                        =  21.33 grams 

Answer Link

Otras preguntas

15p thank you so much
Is heat transfer the same as heat transmission? (in regards of flow of energy)
hey can someone help me ?Which graph shows a function whose inverse is also a function?
PLSS HELP IT'S DUE TODAY!! Which of these factors was most influential in the growth of agriculture? (1 point) a wind power b access to water c permanent
Which description most strongly creates a feeling of deep anger? Jessie sweated nervously, hoping she could control at least this one thing in this world of cha
what is the cause of mechanical weathering??​
Which equation can be used to solve for x in the following diagram?
2. Find the largest number that can be written in binary using 13 binary digits.
Another saying is that a chain is only as strong as its weakest link." Similarly, a biologist might say that “a cell is only as strong as its weakest organelle.
Order the values from least to greatest. -8, |-9|, |-8|, 7,-6,​