Chemistry: Starting with the stock solution of 6.0 m, how many milliliters of 6.0 m sulfuric acid are needed to make 450 ml of 1.2 m solution? *

Starting with the stock solution of 6.0 m, how many

Ответ:

brennanjb00

15.01.2022

Chemistry

The volume of stock solution needed is 90 mL

Explanation:

To calculate the molarity of the diluted solution, we use the equation:

M_1V_1=M_2V_2

where,

$M_1\text{ and }V_1$ are the molarity and volume of the stock sulfuric acid solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted sulfuric acid solution

We are given:

$M_1=6.0M\\V_1=?mL\\M_2=1.2M\\V_2=450mL$

Putting values in above equation, we get:

$6.0\times V_1=1.2\times 450\\\\V_1=\frac{1.2\times 450}{6.0}=90mL$

Hence, the volume of stock solution needed is 90 mL

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Ответ:

stmy1969

15.07.2020

Chemistry

The estimated Bad Debt Expense for the period is $13,600

Explanation:

Quill Industries estimates of uncollectible receivables resulting from the aging analysis equals $20,000. The company uses the aging of accounts receivable method and the Allowance for Doubtful Accounts has credit balance of $6,400 before adjusting.

Bad debt Expense = $20,000 - $6,400 = $13,600

The entry:

Debit Bad debts expense $13,600

Credit Allowance for doubtful accounts $13,600

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Starting with the stock solution of 6.0 m, how many milliliters of 6.0 m sulfuric acid are needed to make 450 ml of 1.2 m solution? *

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