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Wube

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Name a few pharmacopoeias.
1. 1 answer
2. 673 views
1000 g of 55%(mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution. How many
1. 3 answers
2. 896 views
When the equation for the following reaction in basic solution is balance, what is the sum of the coefficients?MnO2 +
1. 5 answers
2. 9,056 views
What are the possible values of the azimutal quantum number for an electron in the 4f subshell?
1. 2 answers
2. 617 views
Hydrogen atoms are excited to the stationary state designated by the principal quantum number, n= 4. What will be the number of
1. 3 answers
2. 1,087 views
Suppose vectors a&b if a x b=c. Show that c is perpendicular to a&b. Please help me.
1. 3 answers
2. 433 views

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