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

Author Question: When 20.0 mL of a 0.250 M (NH4)2S solution is added to 150.0 mL of a solution of Cu(NO3)2, a CuS ... (Read 21 times)

mmmmm

  • Full Member
  • ***
  • Posts: 155
on: Nov 5, 2023

Question 1

What volume (mL) of a 0.3428 M HCl(aq) solution is required to completely neutralize 23.55 mL of a 0.2350 M Ba(OH)2(aq) solution?
◦ 55.34 mL
◦ 11.07 mL
◦ 16.14 mL
◦ 32.29 mL
◦ 47.10 mL

Question 2

When 20.0 mL of a 0.250 M (NH4)2S solution is added to 150.0 mL of a solution of Cu(NO3)2, a CuS precipitate forms.  The precipitate is then filtered from the solution, dried, and weighed.  If the recovered CuS is found to have a mass of 0.3491 g, what was the concentration of copper ions in the original Cu(NO3)2 solution?
◦ 3.65 × 10–3 M
◦ 1.22 × 10–2 M
◦ 3.33 × 10–2 M
◦ 4.87 × 10–2 M
◦ 2.43 × 10–2 M
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by mmmmm on Nov 5, 2023

Jim457

  • Full Member
  • ***
  • Posts: 187
Reply #1 on: Nov 5, 2023
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 39% of students answer this correctly


mmmmm

  • Member
  • Posts: 155
Reply 2 on: Nov 5, 2023
Excellent

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Amphipathic compounds in aqueous solution Amphipathic compounds in aqueous solution
Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ... Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ...
If enough vapor is added to the air to saturate it, a precipitation fog forms beneath the cloud If enough vapor is added to the air to saturate it, a precipitation fog forms beneath the cloud
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
With solution With solution
What is the identity of the precipitate? What is the molarity of the Na2CO3 solution What is the identity of the precipitate? What is the molarity of the Na2CO3 solution
Video: What is an ecosystem?

For a complete list of videos, visit our video library