100 times 10 is 1000mL or 1 litre, so you would have to add 990 mL of water. If your concentrate is pure sodium hypochlorite(I doubt if you can really get this) your final mix is still very strong bleach as most commercial laundry bleaches are 3.5 to 4.5 mL per litre. You have to consider the strength vs price to get the best buy. So called ‘economy’ brands are usually weaker and can be more expensive.

Don’t be too hard on your teacher; you are responsible for your education also.

i might say all toddler loose persons and couples face intrinsic discrimination is society. i’m Australian and we recently had a well-known election for a sparkling federal government. in the time of the campaigning previous to the election, the politicians on the two factors have been frantically attempting to out do one yet another in merchandising tax breaks and particular money and amenities for families and mothers with toddlers. of direction this become no different from the different election in the previous. the factor is that single human beings subsidize the infants of others with the aid of bigger taxation. Govermental regulations regard the desires of adults with infants to be extra significant that that of childless adults. no person tries to attraction to the vote of the childless adults, they don’t look to be seen a valid demographic or perhaps to point they’re is often recognized as something perverse. Politicians have even suggested they’re unashamedly professional-family contributors biased of their regulations and that’s in basic terms an admission they’re discriminatory (yet in a criminal way in view that there at the instant are not any regulations to guard single human beings as a demographic). i’m childless with the aid of decision. i think that our international has some distance too many human beings and a great style of folk who call for the suited to infants are easily egocentric. in the event that they suspect in infants plenty, why not undertake somewhat than supply the overburdened planet (and single taxpayers) yet another mouth to freed?

10ml strong dilute to 1/100 therefore 1/100=10/x x=1000 to keep it proportionate