This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of Mg with ... (Read 32 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Feb 15, 2020

Question 1

A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium is contained in 35.0 g of calcium fluoride?
◦ 15.0 g
◦ 1.99 g
◦ 7.70 g
◦ 18.0 g

Question 2

Mg can react with HCl to produce the white solid MgCl2 and H2 gas.  A student mixes 1.99 g of Mg with 5.98 g of HCl.  If the mass of the white solid is 7.79 g, then what is the mass of H2 produced?
◦ 2.0 g
◦ 15.76 g
◦ 0.0 g
◦ 0.18 g
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by gbarreiro on Feb 15, 2020

fwbard

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 64% of students answer this correctly


gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Feb 15, 2020
Gracias!

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

White-fronted capuchin (Cebus albifrons) White-fronted capuchin (Cebus albifrons)
The formed elements: In this image, the red cells are red, the white cells are white, and the ... The formed elements: In this image, the red cells are red, the white cells are white, and the ...
Nutrient-Dense Food Choices Nutrient-dense foods provide more nutrition per calorie and fewer solid Nutrient-Dense Food Choices Nutrient-dense foods provide more nutrition per calorie and fewer solid
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library