ZuoTi.Pro
Question

A complex Nickel salt was heated on a watchglass.Given the following data , calculate the percentage...

A complex Nickel salt was heated on a watchglass.Given the following data , calculate the percentage of water in the salt (record your answer without units)

mass of watchglass 13.38g

mass of watchglass and salt 16.39g

mass of watchglass and salt after heating 14.51g   

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A complex Nickel salt was heated on a watchglass.Given the following data , calculate the percentage...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A student heated a sample of a hydrated salt and obtained the following data: Grams of...

    A student heated a sample of a hydrated salt and obtained the following data: Grams of hydrated salt used: 1.0000 gram Grams of anhydrous salt (147 g/mole) recovered: 0.8033 grams Grams of water vapour (18 g/mole) lost: 0.1967 grams Determine the percentage by mass of water in this hydrate. (1) How many water molecules, "X", are bonded to this hydrated salt, salt. X H20? (2)

  • i have no idea how to do this... 192 EQUIPMENT and CHEMICALS • wire gauze •...

    i have no idea how to do this... 192 EQUIPMENT and CHEMICALS • wire gauze • 250-ml beaker - watchglass • alum, KAl(SO4)2-12H20 • unknown hydrate samples S PROCEDURE A. Percentage of Water in Alum Hydrate 1. Weigh a clean, dry, 250-ml beaker covered with a watch glass. Add about 0.8-1.2 g of alum hydrate into the beaker, and reweigh accurately. 2. Support the beaker and watchglass on a ring stand using a wire gauze (Figure 1). Heat the hydrate...

  • use the information given to calculate the formula for mass/molar mass of the anhydrous salt of...

    use the information given to calculate the formula for mass/molar mass of the anhydrous salt of your unknown sample(show calculations) B. Determine the Formula of an Unknown Hydrate Unknown sample number: 20 Nickel II Molecular formula of the unknown: 1. Mass of crucible + unknown hydrate Nisou "X"H60 (sulfate) 37.40g 36-3lg 1:09g 2. Mass of crucible 3. Mass of unknown hydrate( 1 - 2) 4. Mass of crucible + anhydrous salt a. after first heating b. after second heating 31.3919...

  • A solid sample of a complex salt, with ideal composition Ni(NH3)6(NO3)2, was analyzed for nickel by...

    A solid sample of a complex salt, with ideal composition Ni(NH3)6(NO3)2, was analyzed for nickel by dissolution in slightly acidic solution and precipitation as the dimethylglyoximate, Ni(DMG)2. A sintered glass crucible of mass 13.2379 g was used to filter off the precipitate. The dried crucible and precipitate had a combined mass of 13.3319 g. Calculate the theoretical mass of the original Ni(NH3)6(NO3)2 sample. 0.0927 g You are correct. Your receipt no. is 152-9832 Previous Tries Calculate the mass of nickel...

  • In a synthesis of a complex Nickel salt 0.639g of NiSO4.6H2O where weighed out and used....

    In a synthesis of a complex Nickel salt 0.639g of NiSO4.6H2O where weighed out and used. Calculate the mol of NiSO4.6H2O and report the number to 4 decimals.

  • UNKNOWN NUMBER Data Trial 1 Trial 2 Mass of the crucible and cover 28.2569 Mass of...

    UNKNOWN NUMBER Data Trial 1 Trial 2 Mass of the crucible and cover 28.2569 Mass of crucible, cover and sample 28.9369 2806309 30.7449 30.330g 30.328 Mass of crucible, cover and salt after first heating 29.7969 Mass of crucible, cover and salt after second heating 28.7979 Mass of crucible, cover and salt after third heating Calculations Chemical formula of anhydrous salt (given) Mass of hydrate (sample) Mass of anhydrous salt Mass of water liberated Percentage H20 in the hydrate Percentage anhydrous...

  • 40 UNKNOWN NUMBER Data Trial 2 Trial 1 ২৪.6209 30.744g 30.330j 30.398 2&.256g Mass of the crucible and cover &...

    40 UNKNOWN NUMBER Data Trial 2 Trial 1 ২৪.6209 30.744g 30.330j 30.398 2&.256g Mass of the crucible and cover &&.4369 Mass of crucible, cover and sample 7989 Mass of crucible, cover and salt after first heating Mass of crucible, cover and salt after second heating &.99 Mass of crucible, cover and salt after third heating Calculations CaSOu CesOy Chemical formula of anhydrous salt (given) 2.1149 1. 6989 9-689 Mass of hydrate (sample) Mass of anhydrous salt 04169 Mass of water...

  • 1. A 5.000 gram sample of hydrated nickel (II) cyanide, Ni(CN)2·xH2O is heated according to the...

    1. A 5.000 gram sample of hydrated nickel (II) cyanide, Ni(CN)2·xH2O is heated according to the procedure described in this laboratory. After heating, the sample is found to weigh 3.029 grams. How many moles of H2O were present in the sample? How many moles of Ni(CN)2 were present? 2. Determine the empirical formula of the hydrated salt from question 1. Write your answer in the format, Ni(CN)2∙ x H2O, where “x” is an integer.

  • answer qeustions please Show all work for full credit. 1. Complete the following table. For each of the hydrates:...

    answer qeustions please Show all work for full credit. 1. Complete the following table. For each of the hydrates: 1) write the chemical formula; 2) calculate the formula mass; and 3) calculate the mass percentage of water. Hydrate Chemical Formula Fomula Mass Mass % Water Nickel(II)chloride hexahydrate Cobalt(II) chloride hexahydrate Copper(II)sulfate pentahydrate 2. A student dehydrated an unknown hydrate. The mass of the compound was initially 4.139. After heating, the mass was 3.52 g. a. Calculate the mass percentage of...

  • A. calculate moles of magnesium sulfate b.calculate moles of water c. The ratio of moles water:...

    A. calculate moles of magnesium sulfate b.calculate moles of water c. The ratio of moles water: moles of magnesium sulfate. d. Identify any potential sources of error. Data Table 1 Sample 1 2 3 Mass of aluminum dish 1.24g 1.24g 1.24g Mass of aluminum dish + Epsom salt 1.99g 1.97g 2.14g .75g .73g 90g Epsom salt, original (hydrated) mass Mass of aluminum dish + Epsom salt after heating Epsom salt, heated (dehydrated) mass 1.62g 1.61g 1.72g .38g .37g .48g Mass...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT