Science, asked by qamar24567890, 7 months ago

plz answer my question correctly I will mark you as BRAINLIEST.....!!!

Attachments:

Answers

Answered by helper145

1

Explanation:

according to the balanced equation calculate the moles of no2 by the formula PV=NRT. using this calculate the no of moles of copper.. then multiply the moles of copper with its molecular mass to find its mass. (mass of copper/ total mass of brass )*100 gives u the mass % of cu

Attachments:

Previous Question

Next Question

Similar questions

Math, 3 months ago

Plz answer this it is from quadrilaterals...

Math, 3 months ago

If mx+ny= m²-n² and ny + mx = 0, find the value of (x+y) [The value of (x+y) is 'm-n ' but i don't know how. please help in this] Don't type useless things just to gain points plz otherwise I'm gonna report you people...

English, 3 months ago

1. What will happen if there is no sunrise. Write any five lines ...

Math, 7 months ago

EXERCISE 1. 1. Use Euclid's division algorithm to find the HCF of : (i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255...

Math, 7 months ago

Three tankers contain 403 L,434L and 465 L of petrol respectively.Find the maximum capacity of a container that can measure the petrol of the three tankers exact number of times. Answer Please...

Physics, 10 months ago

What do you mean by electric current is not used in domestic circuits?

English, 10 months ago

pls answer me fast as you can.......

Math, 10 months ago

factorise :- x square + 2xy + y square -1 ...