How quickly will I receive my key after purchase?

Most keys are delivered instantly by sellers after payment confirmation. You will receive the key by email or directly on the website.

Can I return or exchange a key if it doesn’t work?

Usually yes, key sellers provide a guarantee on all keys. In case of activation issues, contact the seller’s chat for assistance.

Are keys supported for different platforms — Steam, Xbox, PlayStation, and others?

Yes, on Irongamers you will find keys and accounts for most popular platforms, including Steam, EA Play, Uplay, Xbox, Twitch, and Epic Games.

Can I get discounts and bonuses for referrals?

Usually yes, sellers can give personal discounts on new games and keys.

What payment methods are available?

We support various payment methods: bank cards, e-wallets, SBP, and other convenient options.

How is security and confidentiality ensured when buying?

The purchasing process takes place on a special page that uses modern data protection methods, encryption, and guarantees full confidentiality of your payment and personal data.

141. Solving a chemistry problem

Content: 4 нитрат свинца.rar (18.31 KB )
Uploaded: 14.05.2022

Positive responses: 0
Negative responses: 0

Sold: 0
Refunds: 0

Seller: Derkach

Ask a question

$1.25

i agree with "Terms for Customers"

Bookmark

Description

4. During the electrolysis of a solution of lead nitrate, m (PbO2) g was released at the anode. Determine the molar concentration of the equivalent of Pb (NO3) 2 (feq = 1/2) if V ml of this solution was taken for analysis:
Option 1
V, ml 20.00
m (Pb02), g 0.2506

Additional information

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.

Responses

No feedback yet